[merged] mm-vmscan-move-lru-lists-to-node.patch removed from -mm tree

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The patch titled
     Subject: mm, vmscan: move LRU lists to node
has been removed from the -mm tree.  Its filename was
     mm-vmscan-move-lru-lists-to-node.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Subject: mm, vmscan: move LRU lists to node

This moves the LRU lists from the zone to the node and related data such
as counters, tracing, congestion tracking and writeback tracking. 
Unfortunately, due to reclaim and compaction retry logic, it is necessary
to account for the number of LRU pages on both zone and node logic.  Most
reclaim logic is based on the node counters but the retry logic uses the
zone counters which do not distinguish inactive and active sizes.  It
would be possible to leave the LRU counters on a per-zone basis but it's a
heavier calculation across multiple cache lines that is much more frequent
than the retry checks.

Other than the LRU counters, this is mostly a mechanical patch but note
that it introduces a number of anomalies.  For example, the scans are
per-zone but using per-node counters.  We also mark a node as congested
when a zone is congested.  This causes weird problems that are fixed later
but is easier to review.

In the event that there is excessive overhead on 32-bit systems due to
the nodes being on LRU then there are two potential solutions

1. Long-term isolation of highmem pages when reclaim is lowmem

   When pages are skipped, they are immediately added back onto the LRU
   list. If lowmem reclaim persisted for long periods of time, the same
   highmem pages get continually scanned. The idea would be that lowmem
   keeps those pages on a separate list until a reclaim for highmem pages
   arrives that splices the highmem pages back onto the LRU. It potentially
   could be implemented similar to the UNEVICTABLE list.

   That would reduce the skip rate with the potential corner case is that
   highmem pages have to be scanned and reclaimed to free lowmem slab pages.

2. Linear scan lowmem pages if the initial LRU shrink fails

   This will break LRU ordering but may be preferable and faster during
   memory pressure than skipping LRU pages.

Link: http://lkml.kernel.org/r/1467970510-21195-4-git-send-email-mgorman@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/tile/mm/pgtable.c                    |    8 
 drivers/base/node.c                       |   19 -
 drivers/staging/android/lowmemorykiller.c |    8 
 include/linux/backing-dev.h               |    2 
 include/linux/memcontrol.h                |   18 -
 include/linux/mm_inline.h                 |   21 +
 include/linux/mmzone.h                    |   68 +++---
 include/linux/swap.h                      |    1 
 include/linux/vm_event_item.h             |   10 
 include/linux/vmstat.h                    |   17 +
 include/trace/events/vmscan.h             |   12 -
 kernel/power/snapshot.c                   |   10 
 mm/backing-dev.c                          |   15 -
 mm/compaction.c                           |   18 -
 mm/huge_memory.c                          |    2 
 mm/internal.h                             |    2 
 mm/khugepaged.c                           |    4 
 mm/memcontrol.c                           |   17 -
 mm/memory-failure.c                       |    4 
 mm/memory_hotplug.c                       |    2 
 mm/mempolicy.c                            |    2 
 mm/migrate.c                              |   21 -
 mm/mlock.c                                |    2 
 mm/page-writeback.c                       |    8 
 mm/page_alloc.c                           |   68 +++---
 mm/swap.c                                 |   50 ++--
 mm/vmscan.c                               |  226 +++++++++++---------
 mm/vmstat.c                               |   47 ++--
 mm/workingset.c                           |    4 
 29 files changed, 386 insertions(+), 300 deletions(-)

diff -puN arch/tile/mm/pgtable.c~mm-vmscan-move-lru-lists-to-node arch/tile/mm/pgtable.c
--- a/arch/tile/mm/pgtable.c~mm-vmscan-move-lru-lists-to-node
+++ a/arch/tile/mm/pgtable.c
@@ -45,10 +45,10 @@ void show_mem(unsigned int filter)
 	struct zone *zone;
 
 	pr_err("Active:%lu inactive:%lu dirty:%lu writeback:%lu unstable:%lu free:%lu\n slab:%lu mapped:%lu pagetables:%lu bounce:%lu pagecache:%lu swap:%lu\n",
-	       (global_page_state(NR_ACTIVE_ANON) +
-		global_page_state(NR_ACTIVE_FILE)),
-	       (global_page_state(NR_INACTIVE_ANON) +
-		global_page_state(NR_INACTIVE_FILE)),
+	       (global_node_page_state(NR_ACTIVE_ANON) +
+		global_node_page_state(NR_ACTIVE_FILE)),
+	       (global_node_page_state(NR_INACTIVE_ANON) +
+		global_node_page_state(NR_INACTIVE_FILE)),
 	       global_page_state(NR_FILE_DIRTY),
 	       global_page_state(NR_WRITEBACK),
 	       global_page_state(NR_UNSTABLE_NFS),
diff -puN drivers/base/node.c~mm-vmscan-move-lru-lists-to-node drivers/base/node.c
--- a/drivers/base/node.c~mm-vmscan-move-lru-lists-to-node
+++ a/drivers/base/node.c
@@ -56,6 +56,7 @@ static ssize_t node_read_meminfo(struct
 {
 	int n;
 	int nid = dev->id;
+	struct pglist_data *pgdat = NODE_DATA(nid);
 	struct sysinfo i;
 
 	si_meminfo_node(&i, nid);
@@ -74,15 +75,15 @@ static ssize_t node_read_meminfo(struct
 		       nid, K(i.totalram),
 		       nid, K(i.freeram),
 		       nid, K(i.totalram - i.freeram),
-		       nid, K(sum_zone_node_page_state(nid, NR_ACTIVE_ANON) +
-				sum_zone_node_page_state(nid, NR_ACTIVE_FILE)),
-		       nid, K(sum_zone_node_page_state(nid, NR_INACTIVE_ANON) +
-				sum_zone_node_page_state(nid, NR_INACTIVE_FILE)),
-		       nid, K(sum_zone_node_page_state(nid, NR_ACTIVE_ANON)),
-		       nid, K(sum_zone_node_page_state(nid, NR_INACTIVE_ANON)),
-		       nid, K(sum_zone_node_page_state(nid, NR_ACTIVE_FILE)),
-		       nid, K(sum_zone_node_page_state(nid, NR_INACTIVE_FILE)),
-		       nid, K(sum_zone_node_page_state(nid, NR_UNEVICTABLE)),
+		       nid, K(node_page_state(pgdat, NR_ACTIVE_ANON) +
+				node_page_state(pgdat, NR_ACTIVE_FILE)),
+		       nid, K(node_page_state(pgdat, NR_INACTIVE_ANON) +
+				node_page_state(pgdat, NR_INACTIVE_FILE)),
+		       nid, K(node_page_state(pgdat, NR_ACTIVE_ANON)),
+		       nid, K(node_page_state(pgdat, NR_INACTIVE_ANON)),
+		       nid, K(node_page_state(pgdat, NR_ACTIVE_FILE)),
+		       nid, K(node_page_state(pgdat, NR_INACTIVE_FILE)),
+		       nid, K(node_page_state(pgdat, NR_UNEVICTABLE)),
 		       nid, K(sum_zone_node_page_state(nid, NR_MLOCK)));
 
 #ifdef CONFIG_HIGHMEM
diff -puN drivers/staging/android/lowmemorykiller.c~mm-vmscan-move-lru-lists-to-node drivers/staging/android/lowmemorykiller.c
--- a/drivers/staging/android/lowmemorykiller.c~mm-vmscan-move-lru-lists-to-node
+++ a/drivers/staging/android/lowmemorykiller.c
@@ -72,10 +72,10 @@ static unsigned long lowmem_deathpending
 static unsigned long lowmem_count(struct shrinker *s,
 				  struct shrink_control *sc)
 {
-	return global_page_state(NR_ACTIVE_ANON) +
-		global_page_state(NR_ACTIVE_FILE) +
-		global_page_state(NR_INACTIVE_ANON) +
-		global_page_state(NR_INACTIVE_FILE);
+	return global_node_page_state(NR_ACTIVE_ANON) +
+		global_node_page_state(NR_ACTIVE_FILE) +
+		global_node_page_state(NR_INACTIVE_ANON) +
+		global_node_page_state(NR_INACTIVE_FILE);
 }
 
 static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc)
diff -puN include/linux/backing-dev.h~mm-vmscan-move-lru-lists-to-node include/linux/backing-dev.h
--- a/include/linux/backing-dev.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/backing-dev.h
@@ -197,7 +197,7 @@ static inline int wb_congested(struct bd
 }
 
 long congestion_wait(int sync, long timeout);
-long wait_iff_congested(struct zone *zone, int sync, long timeout);
+long wait_iff_congested(struct pglist_data *pgdat, int sync, long timeout);
 int pdflush_proc_obsolete(struct ctl_table *table, int write,
 		void __user *buffer, size_t *lenp, loff_t *ppos);
 
diff -puN include/linux/memcontrol.h~mm-vmscan-move-lru-lists-to-node include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/memcontrol.h
@@ -339,7 +339,7 @@ static inline struct lruvec *mem_cgroup_
 	struct lruvec *lruvec;
 
 	if (mem_cgroup_disabled()) {
-		lruvec = &zone->lruvec;
+		lruvec = zone_lruvec(zone);
 		goto out;
 	}
 
@@ -348,15 +348,15 @@ static inline struct lruvec *mem_cgroup_
 out:
 	/*
 	 * Since a node can be onlined after the mem_cgroup was created,
-	 * we have to be prepared to initialize lruvec->zone here;
+	 * we have to be prepared to initialize lruvec->pgdat here;
 	 * and if offlined then reonlined, we need to reinitialize it.
 	 */
-	if (unlikely(lruvec->zone != zone))
-		lruvec->zone = zone;
+	if (unlikely(lruvec->pgdat != zone->zone_pgdat))
+		lruvec->pgdat = zone->zone_pgdat;
 	return lruvec;
 }
 
-struct lruvec *mem_cgroup_page_lruvec(struct page *, struct zone *);
+struct lruvec *mem_cgroup_page_lruvec(struct page *, struct pglist_data *);
 
 bool task_in_mem_cgroup(struct task_struct *task, struct mem_cgroup *memcg);
 struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
@@ -437,7 +437,7 @@ static inline bool mem_cgroup_online(str
 int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
 
 void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
-		int nr_pages);
+		enum zone_type zid, int nr_pages);
 
 unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
 					   int nid, unsigned int lru_mask);
@@ -612,13 +612,13 @@ static inline void mem_cgroup_migrate(st
 static inline struct lruvec *mem_cgroup_zone_lruvec(struct zone *zone,
 						    struct mem_cgroup *memcg)
 {
-	return &zone->lruvec;
+	return zone_lruvec(zone);
 }
 
 static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page,
-						    struct zone *zone)
+						    struct pglist_data *pgdat)
 {
-	return &zone->lruvec;
+	return &pgdat->lruvec;
 }
 
 static inline bool mm_match_cgroup(struct mm_struct *mm,
diff -puN include/linux/mm_inline.h~mm-vmscan-move-lru-lists-to-node include/linux/mm_inline.h
--- a/include/linux/mm_inline.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/mm_inline.h
@@ -23,25 +23,32 @@ static inline int page_is_file_cache(str
 }
 
 static __always_inline void __update_lru_size(struct lruvec *lruvec,
-				enum lru_list lru, int nr_pages)
+				enum lru_list lru, enum zone_type zid,
+				int nr_pages)
 {
-	__mod_zone_page_state(lruvec_zone(lruvec), NR_LRU_BASE + lru, nr_pages);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
+
+	__mod_node_page_state(pgdat, NR_LRU_BASE + lru, nr_pages);
+	__mod_zone_page_state(&pgdat->node_zones[zid],
+		NR_ZONE_LRU_BASE + !!is_file_lru(lru),
+		nr_pages);
 }
 
 static __always_inline void update_lru_size(struct lruvec *lruvec,
-				enum lru_list lru, int nr_pages)
+				enum lru_list lru, enum zone_type zid,
+				int nr_pages)
 {
 #ifdef CONFIG_MEMCG
-	mem_cgroup_update_lru_size(lruvec, lru, nr_pages);
+	mem_cgroup_update_lru_size(lruvec, lru, zid, nr_pages);
 #else
-	__update_lru_size(lruvec, lru, nr_pages);
+	__update_lru_size(lruvec, lru, zid, nr_pages);
 #endif
 }
 
 static __always_inline void add_page_to_lru_list(struct page *page,
 				struct lruvec *lruvec, enum lru_list lru)
 {
-	update_lru_size(lruvec, lru, hpage_nr_pages(page));
+	update_lru_size(lruvec, lru, page_zonenum(page), hpage_nr_pages(page));
 	list_add(&page->lru, &lruvec->lists[lru]);
 }
 
@@ -49,7 +56,7 @@ static __always_inline void del_page_fro
 				struct lruvec *lruvec, enum lru_list lru)
 {
 	list_del(&page->lru);
-	update_lru_size(lruvec, lru, -hpage_nr_pages(page));
+	update_lru_size(lruvec, lru, page_zonenum(page), -hpage_nr_pages(page));
 }
 
 /**
diff -puN include/linux/mmzone.h~mm-vmscan-move-lru-lists-to-node include/linux/mmzone.h
--- a/include/linux/mmzone.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/mmzone.h
@@ -111,12 +111,9 @@ enum zone_stat_item {
 	/* First 128 byte cacheline (assuming 64 bit words) */
 	NR_FREE_PAGES,
 	NR_ALLOC_BATCH,
-	NR_LRU_BASE,
-	NR_INACTIVE_ANON = NR_LRU_BASE, /* must match order of LRU_[IN]ACTIVE */
-	NR_ACTIVE_ANON,		/*  "     "     "   "       "         */
-	NR_INACTIVE_FILE,	/*  "     "     "   "       "         */
-	NR_ACTIVE_FILE,		/*  "     "     "   "       "         */
-	NR_UNEVICTABLE,		/*  "     "     "   "       "         */
+	NR_ZONE_LRU_BASE, /* Used only for compaction and reclaim retry */
+	NR_ZONE_LRU_ANON = NR_ZONE_LRU_BASE,
+	NR_ZONE_LRU_FILE,
 	NR_MLOCK,		/* mlock()ed pages found and moved off LRU */
 	NR_ANON_PAGES,	/* Mapped anonymous pages */
 	NR_FILE_MAPPED,	/* pagecache pages mapped into pagetables.
@@ -134,12 +131,9 @@ enum zone_stat_item {
 	NR_VMSCAN_WRITE,
 	NR_VMSCAN_IMMEDIATE,	/* Prioritise for reclaim when writeback ends */
 	NR_WRITEBACK_TEMP,	/* Writeback using temporary buffers */
-	NR_ISOLATED_ANON,	/* Temporary isolated pages from anon lru */
-	NR_ISOLATED_FILE,	/* Temporary isolated pages from file lru */
 	NR_SHMEM,		/* shmem pages (included tmpfs/GEM pages) */
 	NR_DIRTIED,		/* page dirtyings since bootup */
 	NR_WRITTEN,		/* page writings since bootup */
-	NR_PAGES_SCANNED,	/* pages scanned since last reclaim */
 #if IS_ENABLED(CONFIG_ZSMALLOC)
 	NR_ZSPAGES,		/* allocated in zsmalloc */
 #endif
@@ -161,6 +155,15 @@ enum zone_stat_item {
 	NR_VM_ZONE_STAT_ITEMS };
 
 enum node_stat_item {
+	NR_LRU_BASE,
+	NR_INACTIVE_ANON = NR_LRU_BASE, /* must match order of LRU_[IN]ACTIVE */
+	NR_ACTIVE_ANON,		/*  "     "     "   "       "         */
+	NR_INACTIVE_FILE,	/*  "     "     "   "       "         */
+	NR_ACTIVE_FILE,		/*  "     "     "   "       "         */
+	NR_UNEVICTABLE,		/*  "     "     "   "       "         */
+	NR_ISOLATED_ANON,	/* Temporary isolated pages from anon lru */
+	NR_ISOLATED_FILE,	/* Temporary isolated pages from file lru */
+	NR_PAGES_SCANNED,	/* pages scanned since last reclaim */
 	NR_VM_NODE_STAT_ITEMS
 };
 
@@ -219,7 +222,7 @@ struct lruvec {
 	/* Evictions & activations on the inactive file list */
 	atomic_long_t			inactive_age;
 #ifdef CONFIG_MEMCG
-	struct zone			*zone;
+	struct pglist_data *pgdat;
 #endif
 };
 
@@ -357,13 +360,6 @@ struct zone {
 #ifdef CONFIG_NUMA
 	int node;
 #endif
-
-	/*
-	 * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
-	 * this zone's LRU.  Maintained by the pageout code.
-	 */
-	unsigned int inactive_ratio;
-
 	struct pglist_data	*zone_pgdat;
 	struct per_cpu_pageset __percpu *pageset;
 
@@ -495,9 +491,6 @@ struct zone {
 
 	/* Write-intensive fields used by page reclaim */
 
-	/* Fields commonly accessed by the page reclaim scanner */
-	struct lruvec		lruvec;
-
 	/*
 	 * When free pages are below this point, additional steps are taken
 	 * when reading the number of free pages to avoid per-cpu counter
@@ -537,17 +530,20 @@ struct zone {
 
 enum zone_flags {
 	ZONE_RECLAIM_LOCKED,		/* prevents concurrent reclaim */
-	ZONE_CONGESTED,			/* zone has many dirty pages backed by
+	ZONE_FAIR_DEPLETED,		/* fair zone policy batch depleted */
+};
+
+enum pgdat_flags {
+	PGDAT_CONGESTED,		/* pgdat has many dirty pages backed by
 					 * a congested BDI
 					 */
-	ZONE_DIRTY,			/* reclaim scanning has recently found
+	PGDAT_DIRTY,			/* reclaim scanning has recently found
 					 * many dirty file pages at the tail
 					 * of the LRU.
 					 */
-	ZONE_WRITEBACK,			/* reclaim scanning has recently found
+	PGDAT_WRITEBACK,		/* reclaim scanning has recently found
 					 * many pages under writeback
 					 */
-	ZONE_FAIR_DEPLETED,		/* fair zone policy batch depleted */
 };
 
 static inline unsigned long zone_end_pfn(const struct zone *zone)
@@ -707,6 +703,19 @@ typedef struct pglist_data {
 	unsigned long split_queue_len;
 #endif
 
+	/* Fields commonly accessed by the page reclaim scanner */
+	struct lruvec		lruvec;
+
+	/*
+	 * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
+	 * this node's LRU.  Maintained by the pageout code.
+	 */
+	unsigned int inactive_ratio;
+
+	unsigned long		flags;
+
+	ZONE_PADDING(_pad2_)
+
 	/* Per-node vmstats */
 	struct per_cpu_nodestat __percpu *per_cpu_nodestats;
 	atomic_long_t		vm_stat[NR_VM_NODE_STAT_ITEMS];
@@ -728,6 +737,11 @@ static inline spinlock_t *zone_lru_lock(
 	return &zone->zone_pgdat->lru_lock;
 }
 
+static inline struct lruvec *zone_lruvec(struct zone *zone)
+{
+	return &zone->zone_pgdat->lruvec;
+}
+
 static inline unsigned long pgdat_end_pfn(pg_data_t *pgdat)
 {
 	return pgdat->node_start_pfn + pgdat->node_spanned_pages;
@@ -779,12 +793,12 @@ extern int init_currently_empty_zone(str
 
 extern void lruvec_init(struct lruvec *lruvec);
 
-static inline struct zone *lruvec_zone(struct lruvec *lruvec)
+static inline struct pglist_data *lruvec_pgdat(struct lruvec *lruvec)
 {
 #ifdef CONFIG_MEMCG
-	return lruvec->zone;
+	return lruvec->pgdat;
 #else
-	return container_of(lruvec, struct zone, lruvec);
+	return container_of(lruvec, struct pglist_data, lruvec);
 #endif
 }
 
diff -puN include/linux/swap.h~mm-vmscan-move-lru-lists-to-node include/linux/swap.h
--- a/include/linux/swap.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/swap.h
@@ -317,6 +317,7 @@ extern void lru_cache_add_active_or_unev
 
 /* linux/mm/vmscan.c */
 extern unsigned long zone_reclaimable_pages(struct zone *zone);
+extern unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat);
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
 extern int __isolate_lru_page(struct page *page, isolate_mode_t mode);
diff -puN include/linux/vm_event_item.h~mm-vmscan-move-lru-lists-to-node include/linux/vm_event_item.h
--- a/include/linux/vm_event_item.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/vm_event_item.h
@@ -26,11 +26,11 @@ enum vm_event_item { PGPGIN, PGPGOUT, PS
 		PGFREE, PGACTIVATE, PGDEACTIVATE,
 		PGFAULT, PGMAJFAULT,
 		PGLAZYFREED,
-		FOR_ALL_ZONES(PGREFILL),
-		FOR_ALL_ZONES(PGSTEAL_KSWAPD),
-		FOR_ALL_ZONES(PGSTEAL_DIRECT),
-		FOR_ALL_ZONES(PGSCAN_KSWAPD),
-		FOR_ALL_ZONES(PGSCAN_DIRECT),
+		PGREFILL,
+		PGSTEAL_KSWAPD,
+		PGSTEAL_DIRECT,
+		PGSCAN_KSWAPD,
+		PGSCAN_DIRECT,
 		PGSCAN_DIRECT_THROTTLE,
 #ifdef CONFIG_NUMA
 		PGSCAN_ZONE_RECLAIM_FAILED,
diff -puN include/linux/vmstat.h~mm-vmscan-move-lru-lists-to-node include/linux/vmstat.h
--- a/include/linux/vmstat.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/linux/vmstat.h
@@ -178,6 +178,23 @@ static inline unsigned long zone_page_st
 	return x;
 }
 
+static inline unsigned long node_page_state_snapshot(pg_data_t *pgdat,
+					enum node_stat_item item)
+{
+	long x = atomic_long_read(&pgdat->vm_stat[item]);
+
+#ifdef CONFIG_SMP
+	int cpu;
+	for_each_online_cpu(cpu)
+		x += per_cpu_ptr(pgdat->per_cpu_nodestats, cpu)->vm_node_stat_diff[item];
+
+	if (x < 0)
+		x = 0;
+#endif
+	return x;
+}
+
+
 #ifdef CONFIG_NUMA
 extern unsigned long sum_zone_node_page_state(int node,
 						enum zone_stat_item item);
diff -puN include/trace/events/vmscan.h~mm-vmscan-move-lru-lists-to-node include/trace/events/vmscan.h
--- a/include/trace/events/vmscan.h~mm-vmscan-move-lru-lists-to-node
+++ a/include/trace/events/vmscan.h
@@ -352,15 +352,14 @@ TRACE_EVENT(mm_vmscan_writepage,
 
 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
 
-	TP_PROTO(struct zone *zone,
+	TP_PROTO(int nid,
 		unsigned long nr_scanned, unsigned long nr_reclaimed,
 		int priority, int file),
 
-	TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file),
+	TP_ARGS(nid, nr_scanned, nr_reclaimed, priority, file),
 
 	TP_STRUCT__entry(
 		__field(int, nid)
-		__field(int, zid)
 		__field(unsigned long, nr_scanned)
 		__field(unsigned long, nr_reclaimed)
 		__field(int, priority)
@@ -368,16 +367,15 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactiv
 	),
 
 	TP_fast_assign(
-		__entry->nid = zone_to_nid(zone);
-		__entry->zid = zone_idx(zone);
+		__entry->nid = nid;
 		__entry->nr_scanned = nr_scanned;
 		__entry->nr_reclaimed = nr_reclaimed;
 		__entry->priority = priority;
 		__entry->reclaim_flags = trace_shrink_flags(file);
 	),
 
-	TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
-		__entry->nid, __entry->zid,
+	TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
+		__entry->nid,
 		__entry->nr_scanned, __entry->nr_reclaimed,
 		__entry->priority,
 		show_reclaim_flags(__entry->reclaim_flags))
diff -puN kernel/power/snapshot.c~mm-vmscan-move-lru-lists-to-node kernel/power/snapshot.c
--- a/kernel/power/snapshot.c~mm-vmscan-move-lru-lists-to-node
+++ a/kernel/power/snapshot.c
@@ -1627,11 +1627,11 @@ static unsigned long minimum_image_size(
 	unsigned long size;
 
 	size = global_page_state(NR_SLAB_RECLAIMABLE)
-		+ global_page_state(NR_ACTIVE_ANON)
-		+ global_page_state(NR_INACTIVE_ANON)
-		+ global_page_state(NR_ACTIVE_FILE)
-		+ global_page_state(NR_INACTIVE_FILE)
-		- global_page_state(NR_FILE_MAPPED);
+		+ global_node_page_state(NR_ACTIVE_ANON)
+		+ global_node_page_state(NR_INACTIVE_ANON)
+		+ global_node_page_state(NR_ACTIVE_FILE)
+		+ global_node_page_state(NR_INACTIVE_FILE)
+		- global_node_page_state(NR_FILE_MAPPED);
 
 	return saveable <= size ? 0 : saveable - size;
 }
diff -puN mm/backing-dev.c~mm-vmscan-move-lru-lists-to-node mm/backing-dev.c
--- a/mm/backing-dev.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/backing-dev.c
@@ -947,24 +947,24 @@ long congestion_wait(int sync, long time
 EXPORT_SYMBOL(congestion_wait);
 
 /**
- * wait_iff_congested - Conditionally wait for a backing_dev to become uncongested or a zone to complete writes
- * @zone: A zone to check if it is heavily congested
+ * wait_iff_congested - Conditionally wait for a backing_dev to become uncongested or a pgdat to complete writes
+ * @pgdat: A pgdat to check if it is heavily congested
  * @sync: SYNC or ASYNC IO
  * @timeout: timeout in jiffies
  *
  * In the event of a congested backing_dev (any backing_dev) and the given
- * @zone has experienced recent congestion, this waits for up to @timeout
+ * @pgdat has experienced recent congestion, this waits for up to @timeout
  * jiffies for either a BDI to exit congestion of the given @sync queue
  * or a write to complete.
  *
- * In the absence of zone congestion, cond_resched() is called to yield
+ * In the absence of pgdat congestion, cond_resched() is called to yield
  * the processor if necessary but otherwise does not sleep.
  *
  * The return value is 0 if the sleep is for the full timeout. Otherwise,
  * it is the number of jiffies that were still remaining when the function
  * returned. return_value == timeout implies the function did not sleep.
  */
-long wait_iff_congested(struct zone *zone, int sync, long timeout)
+long wait_iff_congested(struct pglist_data *pgdat, int sync, long timeout)
 {
 	long ret;
 	unsigned long start = jiffies;
@@ -973,12 +973,13 @@ long wait_iff_congested(struct zone *zon
 
 	/*
 	 * If there is no congestion, or heavy congestion is not being
-	 * encountered in the current zone, yield if necessary instead
+	 * encountered in the current pgdat, yield if necessary instead
 	 * of sleeping on the congestion queue
 	 */
 	if (atomic_read(&nr_wb_congested[sync]) == 0 ||
-	    !test_bit(ZONE_CONGESTED, &zone->flags)) {
+	    !test_bit(PGDAT_CONGESTED, &pgdat->flags)) {
 		cond_resched();
+
 		/* In case we scheduled, work out time remaining */
 		ret = timeout - (jiffies - start);
 		if (ret < 0)
diff -puN mm/compaction.c~mm-vmscan-move-lru-lists-to-node mm/compaction.c
--- a/mm/compaction.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/compaction.c
@@ -646,8 +646,8 @@ static void acct_isolated(struct zone *z
 	list_for_each_entry(page, &cc->migratepages, lru)
 		count[!!page_is_file_cache(page)]++;
 
-	mod_zone_page_state(zone, NR_ISOLATED_ANON, count[0]);
-	mod_zone_page_state(zone, NR_ISOLATED_FILE, count[1]);
+	mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_ANON, count[0]);
+	mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE, count[1]);
 }
 
 /* Similar to reclaim, but different enough that they don't share logic */
@@ -655,12 +655,12 @@ static bool too_many_isolated(struct zon
 {
 	unsigned long active, inactive, isolated;
 
-	inactive = zone_page_state(zone, NR_INACTIVE_FILE) +
-					zone_page_state(zone, NR_INACTIVE_ANON);
-	active = zone_page_state(zone, NR_ACTIVE_FILE) +
-					zone_page_state(zone, NR_ACTIVE_ANON);
-	isolated = zone_page_state(zone, NR_ISOLATED_FILE) +
-					zone_page_state(zone, NR_ISOLATED_ANON);
+	inactive = node_page_state(zone->zone_pgdat, NR_INACTIVE_FILE) +
+			node_page_state(zone->zone_pgdat, NR_INACTIVE_ANON);
+	active = node_page_state(zone->zone_pgdat, NR_ACTIVE_FILE) +
+			node_page_state(zone->zone_pgdat, NR_ACTIVE_ANON);
+	isolated = node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE) +
+			node_page_state(zone->zone_pgdat, NR_ISOLATED_ANON);
 
 	return isolated > (inactive + active) / 2;
 }
@@ -856,7 +856,7 @@ isolate_migratepages_block(struct compac
 			}
 		}
 
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 
 		/* Try isolate the page */
 		if (__isolate_lru_page(page, isolate_mode) != 0)
diff -puN mm/huge_memory.c~mm-vmscan-move-lru-lists-to-node mm/huge_memory.c
--- a/mm/huge_memory.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/huge_memory.c
@@ -1818,7 +1818,7 @@ static void __split_huge_page(struct pag
 	pgoff_t end = -1;
 	int i;
 
-	lruvec = mem_cgroup_page_lruvec(head, zone);
+	lruvec = mem_cgroup_page_lruvec(head, zone->zone_pgdat);
 
 	/* complete memcg works before add pages to LRU */
 	mem_cgroup_split_huge_fixup(head);
diff -puN mm/internal.h~mm-vmscan-move-lru-lists-to-node mm/internal.h
--- a/mm/internal.h~mm-vmscan-move-lru-lists-to-node
+++ a/mm/internal.h
@@ -78,7 +78,7 @@ extern unsigned long highest_memmap_pfn;
  */
 extern int isolate_lru_page(struct page *page);
 extern void putback_lru_page(struct page *page);
-extern bool zone_reclaimable(struct zone *zone);
+extern bool pgdat_reclaimable(struct pglist_data *pgdat);
 
 /*
  * in mm/rmap.c:
diff -puN mm/khugepaged.c~mm-vmscan-move-lru-lists-to-node mm/khugepaged.c
--- a/mm/khugepaged.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/khugepaged.c
@@ -480,7 +480,7 @@ void __khugepaged_exit(struct mm_struct
 static void release_pte_page(struct page *page)
 {
 	/* 0 stands for page_is_file_cache(page) == false */
-	dec_zone_page_state(page, NR_ISOLATED_ANON + 0);
+	dec_node_page_state(page, NR_ISOLATED_ANON + 0);
 	unlock_page(page);
 	putback_lru_page(page);
 }
@@ -576,7 +576,7 @@ static int __collapse_huge_page_isolate(
 			goto out;
 		}
 		/* 0 stands for page_is_file_cache(page) == false */
-		inc_zone_page_state(page, NR_ISOLATED_ANON + 0);
+		inc_node_page_state(page, NR_ISOLATED_ANON + 0);
 		VM_BUG_ON_PAGE(!PageLocked(page), page);
 		VM_BUG_ON_PAGE(PageLRU(page), page);
 
diff -puN mm/memcontrol.c~mm-vmscan-move-lru-lists-to-node mm/memcontrol.c
--- a/mm/memcontrol.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/memcontrol.c
@@ -943,14 +943,14 @@ static void invalidate_reclaim_iterators
  * and putback protocol: the LRU lock must be held, and the page must
  * either be PageLRU() or the caller must have isolated/allocated it.
  */
-struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct zone *zone)
+struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat)
 {
 	struct mem_cgroup_per_zone *mz;
 	struct mem_cgroup *memcg;
 	struct lruvec *lruvec;
 
 	if (mem_cgroup_disabled()) {
-		lruvec = &zone->lruvec;
+		lruvec = &pgdat->lruvec;
 		goto out;
 	}
 
@@ -970,8 +970,8 @@ out:
 	 * we have to be prepared to initialize lruvec->zone here;
 	 * and if offlined then reonlined, we need to reinitialize it.
 	 */
-	if (unlikely(lruvec->zone != zone))
-		lruvec->zone = zone;
+	if (unlikely(lruvec->pgdat != pgdat))
+		lruvec->pgdat = pgdat;
 	return lruvec;
 }
 
@@ -979,6 +979,7 @@ out:
  * mem_cgroup_update_lru_size - account for adding or removing an lru page
  * @lruvec: mem_cgroup per zone lru vector
  * @lru: index of lru list the page is sitting on
+ * @zid: Zone ID of the zone pages have been added to
  * @nr_pages: positive when adding or negative when removing
  *
  * This function must be called under lru_lock, just before a page is added
@@ -986,14 +987,14 @@ out:
  * so as to allow it to check that lru_size 0 is consistent with list_empty).
  */
 void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
-				int nr_pages)
+				enum zone_type zid, int nr_pages)
 {
 	struct mem_cgroup_per_zone *mz;
 	unsigned long *lru_size;
 	long size;
 	bool empty;
 
-	__update_lru_size(lruvec, lru, nr_pages);
+	__update_lru_size(lruvec, lru, zid, nr_pages);
 
 	if (mem_cgroup_disabled())
 		return;
@@ -2069,7 +2070,7 @@ static void lock_page_lru(struct page *p
 	if (PageLRU(page)) {
 		struct lruvec *lruvec;
 
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 		ClearPageLRU(page);
 		del_page_from_lru_list(page, lruvec, page_lru(page));
 		*isolated = 1;
@@ -2084,7 +2085,7 @@ static void unlock_page_lru(struct page
 	if (isolated) {
 		struct lruvec *lruvec;
 
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 		VM_BUG_ON_PAGE(PageLRU(page), page);
 		SetPageLRU(page);
 		add_page_to_lru_list(page, lruvec, page_lru(page));
diff -puN mm/memory-failure.c~mm-vmscan-move-lru-lists-to-node mm/memory-failure.c
--- a/mm/memory-failure.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/memory-failure.c
@@ -1663,7 +1663,7 @@ static int __soft_offline_page(struct pa
 	put_hwpoison_page(page);
 	if (!ret) {
 		LIST_HEAD(pagelist);
-		inc_zone_page_state(page, NR_ISOLATED_ANON +
+		inc_node_page_state(page, NR_ISOLATED_ANON +
 					page_is_file_cache(page));
 		list_add(&page->lru, &pagelist);
 		ret = migrate_pages(&pagelist, new_page, NULL, MPOL_MF_MOVE_ALL,
@@ -1671,7 +1671,7 @@ static int __soft_offline_page(struct pa
 		if (ret) {
 			if (!list_empty(&pagelist)) {
 				list_del(&page->lru);
-				dec_zone_page_state(page, NR_ISOLATED_ANON +
+				dec_node_page_state(page, NR_ISOLATED_ANON +
 						page_is_file_cache(page));
 				putback_lru_page(page);
 			}
diff -puN mm/memory_hotplug.c~mm-vmscan-move-lru-lists-to-node mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/memory_hotplug.c
@@ -1586,7 +1586,7 @@ do_migrate_range(unsigned long start_pfn
 			put_page(page);
 			list_add_tail(&page->lru, &source);
 			move_pages--;
-			inc_zone_page_state(page, NR_ISOLATED_ANON +
+			inc_node_page_state(page, NR_ISOLATED_ANON +
 					    page_is_file_cache(page));
 
 		} else {
diff -puN mm/mempolicy.c~mm-vmscan-move-lru-lists-to-node mm/mempolicy.c
--- a/mm/mempolicy.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/mempolicy.c
@@ -962,7 +962,7 @@ static void migrate_page_add(struct page
 	if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) {
 		if (!isolate_lru_page(page)) {
 			list_add_tail(&page->lru, pagelist);
-			inc_zone_page_state(page, NR_ISOLATED_ANON +
+			inc_node_page_state(page, NR_ISOLATED_ANON +
 					    page_is_file_cache(page));
 		}
 	}
diff -puN mm/migrate.c~mm-vmscan-move-lru-lists-to-node mm/migrate.c
--- a/mm/migrate.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/migrate.c
@@ -168,7 +168,7 @@ void putback_movable_pages(struct list_h
 			continue;
 		}
 		list_del(&page->lru);
-		dec_zone_page_state(page, NR_ISOLATED_ANON +
+		dec_node_page_state(page, NR_ISOLATED_ANON +
 				page_is_file_cache(page));
 		/*
 		 * We isolated non-lru movable page so here we can use
@@ -1119,7 +1119,7 @@ out:
 		 * restored.
 		 */
 		list_del(&page->lru);
-		dec_zone_page_state(page, NR_ISOLATED_ANON +
+		dec_node_page_state(page, NR_ISOLATED_ANON +
 				page_is_file_cache(page));
 	}
 
@@ -1460,7 +1460,7 @@ static int do_move_page_to_node_array(st
 		err = isolate_lru_page(page);
 		if (!err) {
 			list_add_tail(&page->lru, &pagelist);
-			inc_zone_page_state(page, NR_ISOLATED_ANON +
+			inc_node_page_state(page, NR_ISOLATED_ANON +
 					    page_is_file_cache(page));
 		}
 put_and_set:
@@ -1726,15 +1726,16 @@ static bool migrate_balanced_pgdat(struc
 				   unsigned long nr_migrate_pages)
 {
 	int z;
+
+	if (!pgdat_reclaimable(pgdat))
+		return false;
+
 	for (z = pgdat->nr_zones - 1; z >= 0; z--) {
 		struct zone *zone = pgdat->node_zones + z;
 
 		if (!populated_zone(zone))
 			continue;
 
-		if (!zone_reclaimable(zone))
-			continue;
-
 		/* Avoid waking kswapd by allocating pages_to_migrate pages. */
 		if (!zone_watermark_ok(zone, 0,
 				       high_wmark_pages(zone) +
@@ -1828,7 +1829,7 @@ static int numamigrate_isolate_page(pg_d
 	}
 
 	page_lru = page_is_file_cache(page);
-	mod_zone_page_state(page_zone(page), NR_ISOLATED_ANON + page_lru,
+	mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + page_lru,
 				hpage_nr_pages(page));
 
 	/*
@@ -1886,7 +1887,7 @@ int migrate_misplaced_page(struct page *
 	if (nr_remaining) {
 		if (!list_empty(&migratepages)) {
 			list_del(&page->lru);
-			dec_zone_page_state(page, NR_ISOLATED_ANON +
+			dec_node_page_state(page, NR_ISOLATED_ANON +
 					page_is_file_cache(page));
 			putback_lru_page(page);
 		}
@@ -1979,7 +1980,7 @@ fail_putback:
 		/* Retake the callers reference and putback on LRU */
 		get_page(page);
 		putback_lru_page(page);
-		mod_zone_page_state(page_zone(page),
+		mod_node_page_state(page_pgdat(page),
 			 NR_ISOLATED_ANON + page_lru, -HPAGE_PMD_NR);
 
 		goto out_unlock;
@@ -2030,7 +2031,7 @@ fail_putback:
 	count_vm_events(PGMIGRATE_SUCCESS, HPAGE_PMD_NR);
 	count_vm_numa_events(NUMA_PAGE_MIGRATE, HPAGE_PMD_NR);
 
-	mod_zone_page_state(page_zone(page),
+	mod_node_page_state(page_pgdat(page),
 			NR_ISOLATED_ANON + page_lru,
 			-HPAGE_PMD_NR);
 	return isolated;
diff -puN mm/mlock.c~mm-vmscan-move-lru-lists-to-node mm/mlock.c
--- a/mm/mlock.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/mlock.c
@@ -103,7 +103,7 @@ static bool __munlock_isolate_lru_page(s
 	if (PageLRU(page)) {
 		struct lruvec *lruvec;
 
-		lruvec = mem_cgroup_page_lruvec(page, page_zone(page));
+		lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page));
 		if (getpage)
 			get_page(page);
 		ClearPageLRU(page);
diff -puN mm/page-writeback.c~mm-vmscan-move-lru-lists-to-node mm/page-writeback.c
--- a/mm/page-writeback.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/page-writeback.c
@@ -285,8 +285,8 @@ static unsigned long zone_dirtyable_memo
 	 */
 	nr_pages -= min(nr_pages, zone->totalreserve_pages);
 
-	nr_pages += zone_page_state(zone, NR_INACTIVE_FILE);
-	nr_pages += zone_page_state(zone, NR_ACTIVE_FILE);
+	nr_pages += node_page_state(zone->zone_pgdat, NR_INACTIVE_FILE);
+	nr_pages += node_page_state(zone->zone_pgdat, NR_ACTIVE_FILE);
 
 	return nr_pages;
 }
@@ -348,8 +348,8 @@ static unsigned long global_dirtyable_me
 	 */
 	x -= min(x, totalreserve_pages);
 
-	x += global_page_state(NR_INACTIVE_FILE);
-	x += global_page_state(NR_ACTIVE_FILE);
+	x += global_node_page_state(NR_INACTIVE_FILE);
+	x += global_node_page_state(NR_ACTIVE_FILE);
 
 	if (!vm_highmem_is_dirtyable)
 		x -= highmem_dirtyable_memory(x);
diff -puN mm/page_alloc.c~mm-vmscan-move-lru-lists-to-node mm/page_alloc.c
--- a/mm/page_alloc.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/page_alloc.c
@@ -1078,9 +1078,9 @@ static void free_pcppages_bulk(struct zo
 
 	spin_lock(&zone->lock);
 	isolated_pageblocks = has_isolate_pageblock(zone);
-	nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED);
+	nr_scanned = node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED);
 	if (nr_scanned)
-		__mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned);
+		__mod_node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED, -nr_scanned);
 
 	while (count) {
 		struct page *page;
@@ -1135,9 +1135,9 @@ static void free_one_page(struct zone *z
 {
 	unsigned long nr_scanned;
 	spin_lock(&zone->lock);
-	nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED);
+	nr_scanned = node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED);
 	if (nr_scanned)
-		__mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned);
+		__mod_node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED, -nr_scanned);
 
 	if (unlikely(has_isolate_pageblock(zone) ||
 		is_migrate_isolate(migratetype))) {
@@ -4288,6 +4288,7 @@ void show_free_areas(unsigned int filter
 	unsigned long free_pcp = 0;
 	int cpu;
 	struct zone *zone;
+	pg_data_t *pgdat;
 
 	for_each_populated_zone(zone) {
 		if (skip_free_areas_node(filter, zone_to_nid(zone)))
@@ -4306,13 +4307,13 @@ void show_free_areas(unsigned int filter
 		" anon_thp: %lu shmem_thp: %lu shmem_pmdmapped: %lu\n"
 #endif
 		" free:%lu free_pcp:%lu free_cma:%lu\n",
-		global_page_state(NR_ACTIVE_ANON),
-		global_page_state(NR_INACTIVE_ANON),
-		global_page_state(NR_ISOLATED_ANON),
-		global_page_state(NR_ACTIVE_FILE),
-		global_page_state(NR_INACTIVE_FILE),
-		global_page_state(NR_ISOLATED_FILE),
-		global_page_state(NR_UNEVICTABLE),
+		global_node_page_state(NR_ACTIVE_ANON),
+		global_node_page_state(NR_INACTIVE_ANON),
+		global_node_page_state(NR_ISOLATED_ANON),
+		global_node_page_state(NR_ACTIVE_FILE),
+		global_node_page_state(NR_INACTIVE_FILE),
+		global_node_page_state(NR_ISOLATED_FILE),
+		global_node_page_state(NR_UNEVICTABLE),
 		global_page_state(NR_FILE_DIRTY),
 		global_page_state(NR_WRITEBACK),
 		global_page_state(NR_UNSTABLE_NFS),
@@ -4331,6 +4332,28 @@ void show_free_areas(unsigned int filter
 		free_pcp,
 		global_page_state(NR_FREE_CMA_PAGES));
 
+	for_each_online_pgdat(pgdat) {
+		printk("Node %d"
+			" active_anon:%lukB"
+			" inactive_anon:%lukB"
+			" active_file:%lukB"
+			" inactive_file:%lukB"
+			" unevictable:%lukB"
+			" isolated(anon):%lukB"
+			" isolated(file):%lukB"
+			" all_unreclaimable? %s"
+			"\n",
+			pgdat->node_id,
+			K(node_page_state(pgdat, NR_ACTIVE_ANON)),
+			K(node_page_state(pgdat, NR_INACTIVE_ANON)),
+			K(node_page_state(pgdat, NR_ACTIVE_FILE)),
+			K(node_page_state(pgdat, NR_INACTIVE_FILE)),
+			K(node_page_state(pgdat, NR_UNEVICTABLE)),
+			K(node_page_state(pgdat, NR_ISOLATED_ANON)),
+			K(node_page_state(pgdat, NR_ISOLATED_FILE)),
+			!pgdat_reclaimable(pgdat) ? "yes" : "no");
+	}
+
 	for_each_populated_zone(zone) {
 		int i;
 
@@ -4347,13 +4370,6 @@ void show_free_areas(unsigned int filter
 			" min:%lukB"
 			" low:%lukB"
 			" high:%lukB"
-			" active_anon:%lukB"
-			" inactive_anon:%lukB"
-			" active_file:%lukB"
-			" inactive_file:%lukB"
-			" unevictable:%lukB"
-			" isolated(anon):%lukB"
-			" isolated(file):%lukB"
 			" present:%lukB"
 			" managed:%lukB"
 			" mlocked:%lukB"
@@ -4376,21 +4392,13 @@ void show_free_areas(unsigned int filter
 			" local_pcp:%ukB"
 			" free_cma:%lukB"
 			" writeback_tmp:%lukB"
-			" pages_scanned:%lu"
-			" all_unreclaimable? %s"
+			" node_pages_scanned:%lu"
 			"\n",
 			zone->name,
 			K(zone_page_state(zone, NR_FREE_PAGES)),
 			K(min_wmark_pages(zone)),
 			K(low_wmark_pages(zone)),
 			K(high_wmark_pages(zone)),
-			K(zone_page_state(zone, NR_ACTIVE_ANON)),
-			K(zone_page_state(zone, NR_INACTIVE_ANON)),
-			K(zone_page_state(zone, NR_ACTIVE_FILE)),
-			K(zone_page_state(zone, NR_INACTIVE_FILE)),
-			K(zone_page_state(zone, NR_UNEVICTABLE)),
-			K(zone_page_state(zone, NR_ISOLATED_ANON)),
-			K(zone_page_state(zone, NR_ISOLATED_FILE)),
 			K(zone->present_pages),
 			K(zone->managed_pages),
 			K(zone_page_state(zone, NR_MLOCK)),
@@ -4415,9 +4423,7 @@ void show_free_areas(unsigned int filter
 			K(this_cpu_read(zone->pageset->pcp.count)),
 			K(zone_page_state(zone, NR_FREE_CMA_PAGES)),
 			K(zone_page_state(zone, NR_WRITEBACK_TEMP)),
-			K(zone_page_state(zone, NR_PAGES_SCANNED)),
-			(!zone_reclaimable(zone) ? "yes" : "no")
-			);
+			K(node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED)));
 		printk("lowmem_reserve[]:");
 		for (i = 0; i < MAX_NR_ZONES; i++)
 			printk(" %ld", zone->lowmem_reserve[i]);
@@ -5967,7 +5973,7 @@ static void __paginginit free_area_init_
 		/* For bootup, initialized properly in watermark setup */
 		mod_zone_page_state(zone, NR_ALLOC_BATCH, zone->managed_pages);
 
-		lruvec_init(&zone->lruvec);
+		lruvec_init(zone_lruvec(zone));
 		if (!size)
 			continue;
 
diff -puN mm/swap.c~mm-vmscan-move-lru-lists-to-node mm/swap.c
--- a/mm/swap.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/swap.c
@@ -63,7 +63,7 @@ static void __page_cache_release(struct
 		unsigned long flags;
 
 		spin_lock_irqsave(zone_lru_lock(zone), flags);
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 		VM_BUG_ON_PAGE(!PageLRU(page), page);
 		__ClearPageLRU(page);
 		del_page_from_lru_list(page, lruvec, page_off_lru(page));
@@ -194,7 +194,7 @@ static void pagevec_lru_move_fn(struct p
 			spin_lock_irqsave(zone_lru_lock(zone), flags);
 		}
 
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 		(*move_fn)(page, lruvec, arg);
 	}
 	if (zone)
@@ -319,7 +319,7 @@ void activate_page(struct page *page)
 
 	page = compound_head(page);
 	spin_lock_irq(zone_lru_lock(zone));
-	__activate_page(page, mem_cgroup_page_lruvec(page, zone), NULL);
+	__activate_page(page, mem_cgroup_page_lruvec(page, zone->zone_pgdat), NULL);
 	spin_unlock_irq(zone_lru_lock(zone));
 }
 #endif
@@ -445,16 +445,16 @@ void lru_cache_add(struct page *page)
  */
 void add_page_to_unevictable_list(struct page *page)
 {
-	struct zone *zone = page_zone(page);
+	struct pglist_data *pgdat = page_pgdat(page);
 	struct lruvec *lruvec;
 
-	spin_lock_irq(zone_lru_lock(zone));
-	lruvec = mem_cgroup_page_lruvec(page, zone);
+	spin_lock_irq(&pgdat->lru_lock);
+	lruvec = mem_cgroup_page_lruvec(page, pgdat);
 	ClearPageActive(page);
 	SetPageUnevictable(page);
 	SetPageLRU(page);
 	add_page_to_lru_list(page, lruvec, LRU_UNEVICTABLE);
-	spin_unlock_irq(zone_lru_lock(zone));
+	spin_unlock_irq(&pgdat->lru_lock);
 }
 
 /**
@@ -730,7 +730,7 @@ void release_pages(struct page **pages,
 {
 	int i;
 	LIST_HEAD(pages_to_free);
-	struct zone *zone = NULL;
+	struct pglist_data *locked_pgdat = NULL;
 	struct lruvec *lruvec;
 	unsigned long uninitialized_var(flags);
 	unsigned int uninitialized_var(lock_batch);
@@ -741,11 +741,11 @@ void release_pages(struct page **pages,
 		/*
 		 * Make sure the IRQ-safe lock-holding time does not get
 		 * excessive with a continuous string of pages from the
-		 * same zone. The lock is held only if zone != NULL.
+		 * same pgdat. The lock is held only if pgdat != NULL.
 		 */
-		if (zone && ++lock_batch == SWAP_CLUSTER_MAX) {
-			spin_unlock_irqrestore(zone_lru_lock(zone), flags);
-			zone = NULL;
+		if (locked_pgdat && ++lock_batch == SWAP_CLUSTER_MAX) {
+			spin_unlock_irqrestore(&locked_pgdat->lru_lock, flags);
+			locked_pgdat = NULL;
 		}
 
 		if (is_huge_zero_page(page)) {
@@ -758,27 +758,27 @@ void release_pages(struct page **pages,
 			continue;
 
 		if (PageCompound(page)) {
-			if (zone) {
-				spin_unlock_irqrestore(zone_lru_lock(zone), flags);
-				zone = NULL;
+			if (locked_pgdat) {
+				spin_unlock_irqrestore(&locked_pgdat->lru_lock, flags);
+				locked_pgdat = NULL;
 			}
 			__put_compound_page(page);
 			continue;
 		}
 
 		if (PageLRU(page)) {
-			struct zone *pagezone = page_zone(page);
+			struct pglist_data *pgdat = page_pgdat(page);
 
-			if (pagezone != zone) {
-				if (zone)
-					spin_unlock_irqrestore(zone_lru_lock(zone),
+			if (pgdat != locked_pgdat) {
+				if (locked_pgdat)
+					spin_unlock_irqrestore(&locked_pgdat->lru_lock,
 									flags);
 				lock_batch = 0;
-				zone = pagezone;
-				spin_lock_irqsave(zone_lru_lock(zone), flags);
+				locked_pgdat = pgdat;
+				spin_lock_irqsave(&locked_pgdat->lru_lock, flags);
 			}
 
-			lruvec = mem_cgroup_page_lruvec(page, zone);
+			lruvec = mem_cgroup_page_lruvec(page, locked_pgdat);
 			VM_BUG_ON_PAGE(!PageLRU(page), page);
 			__ClearPageLRU(page);
 			del_page_from_lru_list(page, lruvec, page_off_lru(page));
@@ -789,8 +789,8 @@ void release_pages(struct page **pages,
 
 		list_add(&page->lru, &pages_to_free);
 	}
-	if (zone)
-		spin_unlock_irqrestore(zone_lru_lock(zone), flags);
+	if (locked_pgdat)
+		spin_unlock_irqrestore(&locked_pgdat->lru_lock, flags);
 
 	mem_cgroup_uncharge_list(&pages_to_free);
 	free_hot_cold_page_list(&pages_to_free, cold);
@@ -826,7 +826,7 @@ void lru_add_page_tail(struct page *page
 	VM_BUG_ON_PAGE(PageCompound(page_tail), page);
 	VM_BUG_ON_PAGE(PageLRU(page_tail), page);
 	VM_BUG_ON(NR_CPUS != 1 &&
-		  !spin_is_locked(zone_lru_lock(lruvec_zone(lruvec))));
+		  !spin_is_locked(&lruvec_pgdat(lruvec)->lru_lock));
 
 	if (!list)
 		SetPageLRU(page_tail);
diff -puN mm/vmscan.c~mm-vmscan-move-lru-lists-to-node mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/vmscan.c
@@ -191,26 +191,42 @@ static bool sane_reclaim(struct scan_con
 }
 #endif
 
+/*
+ * This misses isolated pages which are not accounted for to save counters.
+ * As the data only determines if reclaim or compaction continues, it is
+ * not expected that isolated pages will be a dominating factor.
+ */
 unsigned long zone_reclaimable_pages(struct zone *zone)
 {
 	unsigned long nr;
 
-	nr = zone_page_state_snapshot(zone, NR_ACTIVE_FILE) +
-	     zone_page_state_snapshot(zone, NR_INACTIVE_FILE) +
-	     zone_page_state_snapshot(zone, NR_ISOLATED_FILE);
+	nr = zone_page_state_snapshot(zone, NR_ZONE_LRU_FILE);
+	if (get_nr_swap_pages() > 0)
+		nr += zone_page_state_snapshot(zone, NR_ZONE_LRU_ANON);
+
+	return nr;
+}
+
+unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat)
+{
+	unsigned long nr;
+
+	nr = node_page_state_snapshot(pgdat, NR_ACTIVE_FILE) +
+	     node_page_state_snapshot(pgdat, NR_INACTIVE_FILE) +
+	     node_page_state_snapshot(pgdat, NR_ISOLATED_FILE);
 
 	if (get_nr_swap_pages() > 0)
-		nr += zone_page_state_snapshot(zone, NR_ACTIVE_ANON) +
-		      zone_page_state_snapshot(zone, NR_INACTIVE_ANON) +
-		      zone_page_state_snapshot(zone, NR_ISOLATED_ANON);
+		nr += node_page_state_snapshot(pgdat, NR_ACTIVE_ANON) +
+		      node_page_state_snapshot(pgdat, NR_INACTIVE_ANON) +
+		      node_page_state_snapshot(pgdat, NR_ISOLATED_ANON);
 
 	return nr;
 }
 
-bool zone_reclaimable(struct zone *zone)
+bool pgdat_reclaimable(struct pglist_data *pgdat)
 {
-	return zone_page_state_snapshot(zone, NR_PAGES_SCANNED) <
-		zone_reclaimable_pages(zone) * 6;
+	return node_page_state_snapshot(pgdat, NR_PAGES_SCANNED) <
+		pgdat_reclaimable_pages(pgdat) * 6;
 }
 
 unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru)
@@ -218,7 +234,7 @@ unsigned long lruvec_lru_size(struct lru
 	if (!mem_cgroup_disabled())
 		return mem_cgroup_get_lru_size(lruvec, lru);
 
-	return zone_page_state(lruvec_zone(lruvec), NR_LRU_BASE + lru);
+	return node_page_state(lruvec_pgdat(lruvec), NR_LRU_BASE + lru);
 }
 
 /*
@@ -877,7 +893,7 @@ static void page_check_dirty_writeback(s
  * shrink_page_list() returns the number of reclaimed pages
  */
 static unsigned long shrink_page_list(struct list_head *page_list,
-				      struct zone *zone,
+				      struct pglist_data *pgdat,
 				      struct scan_control *sc,
 				      enum ttu_flags ttu_flags,
 				      unsigned long *ret_nr_dirty,
@@ -917,7 +933,6 @@ static unsigned long shrink_page_list(st
 			goto keep;
 
 		VM_BUG_ON_PAGE(PageActive(page), page);
-		VM_BUG_ON_PAGE(page_zone(page) != zone, page);
 
 		sc->nr_scanned++;
 
@@ -996,7 +1011,7 @@ static unsigned long shrink_page_list(st
 			/* Case 1 above */
 			if (current_is_kswapd() &&
 			    PageReclaim(page) &&
-			    test_bit(ZONE_WRITEBACK, &zone->flags)) {
+			    test_bit(PGDAT_WRITEBACK, &pgdat->flags)) {
 				nr_immediate++;
 				goto keep_locked;
 
@@ -1092,7 +1107,7 @@ static unsigned long shrink_page_list(st
 			 */
 			if (page_is_file_cache(page) &&
 					(!current_is_kswapd() ||
-					 !test_bit(ZONE_DIRTY, &zone->flags))) {
+					 !test_bit(PGDAT_DIRTY, &pgdat->flags))) {
 				/*
 				 * Immediately reclaim when written back.
 				 * Similar in principal to deactivate_page()
@@ -1266,11 +1281,11 @@ unsigned long reclaim_clean_pages_from_l
 		}
 	}
 
-	ret = shrink_page_list(&clean_pages, zone, &sc,
+	ret = shrink_page_list(&clean_pages, zone->zone_pgdat, &sc,
 			TTU_UNMAP|TTU_IGNORE_ACCESS,
 			&dummy1, &dummy2, &dummy3, &dummy4, &dummy5, true);
 	list_splice(&clean_pages, page_list);
-	mod_zone_page_state(zone, NR_ISOLATED_FILE, -ret);
+	mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE, -ret);
 	return ret;
 }
 
@@ -1375,7 +1390,8 @@ static unsigned long isolate_lru_pages(u
 {
 	struct list_head *src = &lruvec->lists[lru];
 	unsigned long nr_taken = 0;
-	unsigned long scan;
+	unsigned long nr_zone_taken[MAX_NR_ZONES] = { 0 };
+	unsigned long scan, nr_pages;
 
 	for (scan = 0; scan < nr_to_scan && nr_taken < nr_to_scan &&
 					!list_empty(src); scan++) {
@@ -1388,7 +1404,9 @@ static unsigned long isolate_lru_pages(u
 
 		switch (__isolate_lru_page(page, mode)) {
 		case 0:
-			nr_taken += hpage_nr_pages(page);
+			nr_pages = hpage_nr_pages(page);
+			nr_taken += nr_pages;
+			nr_zone_taken[page_zonenum(page)] += nr_pages;
 			list_move(&page->lru, dst);
 			break;
 
@@ -1405,6 +1423,13 @@ static unsigned long isolate_lru_pages(u
 	*nr_scanned = scan;
 	trace_mm_vmscan_lru_isolate(sc->order, nr_to_scan, scan,
 				    nr_taken, mode, is_file_lru(lru));
+	for (scan = 0; scan < MAX_NR_ZONES; scan++) {
+		nr_pages = nr_zone_taken[scan];
+		if (!nr_pages)
+			continue;
+
+		update_lru_size(lruvec, lru, scan, -nr_pages);
+	}
 	return nr_taken;
 }
 
@@ -1445,7 +1470,7 @@ int isolate_lru_page(struct page *page)
 		struct lruvec *lruvec;
 
 		spin_lock_irq(zone_lru_lock(zone));
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 		if (PageLRU(page)) {
 			int lru = page_lru(page);
 			get_page(page);
@@ -1465,7 +1490,7 @@ int isolate_lru_page(struct page *page)
  * the LRU list will go small and be scanned faster than necessary, leading to
  * unnecessary swapping, thrashing and OOM.
  */
-static int too_many_isolated(struct zone *zone, int file,
+static int too_many_isolated(struct pglist_data *pgdat, int file,
 		struct scan_control *sc)
 {
 	unsigned long inactive, isolated;
@@ -1477,11 +1502,11 @@ static int too_many_isolated(struct zone
 		return 0;
 
 	if (file) {
-		inactive = zone_page_state(zone, NR_INACTIVE_FILE);
-		isolated = zone_page_state(zone, NR_ISOLATED_FILE);
+		inactive = node_page_state(pgdat, NR_INACTIVE_FILE);
+		isolated = node_page_state(pgdat, NR_ISOLATED_FILE);
 	} else {
-		inactive = zone_page_state(zone, NR_INACTIVE_ANON);
-		isolated = zone_page_state(zone, NR_ISOLATED_ANON);
+		inactive = node_page_state(pgdat, NR_INACTIVE_ANON);
+		isolated = node_page_state(pgdat, NR_ISOLATED_ANON);
 	}
 
 	/*
@@ -1499,7 +1524,7 @@ static noinline_for_stack void
 putback_inactive_pages(struct lruvec *lruvec, struct list_head *page_list)
 {
 	struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
-	struct zone *zone = lruvec_zone(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 	LIST_HEAD(pages_to_free);
 
 	/*
@@ -1512,13 +1537,13 @@ putback_inactive_pages(struct lruvec *lr
 		VM_BUG_ON_PAGE(PageLRU(page), page);
 		list_del(&page->lru);
 		if (unlikely(!page_evictable(page))) {
-			spin_unlock_irq(zone_lru_lock(zone));
+			spin_unlock_irq(&pgdat->lru_lock);
 			putback_lru_page(page);
-			spin_lock_irq(zone_lru_lock(zone));
+			spin_lock_irq(&pgdat->lru_lock);
 			continue;
 		}
 
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, pgdat);
 
 		SetPageLRU(page);
 		lru = page_lru(page);
@@ -1535,10 +1560,10 @@ putback_inactive_pages(struct lruvec *lr
 			del_page_from_lru_list(page, lruvec, lru);
 
 			if (unlikely(PageCompound(page))) {
-				spin_unlock_irq(zone_lru_lock(zone));
+				spin_unlock_irq(&pgdat->lru_lock);
 				mem_cgroup_uncharge(page);
 				(*get_compound_page_dtor(page))(page);
-				spin_lock_irq(zone_lru_lock(zone));
+				spin_lock_irq(&pgdat->lru_lock);
 			} else
 				list_add(&page->lru, &pages_to_free);
 		}
@@ -1582,10 +1607,10 @@ shrink_inactive_list(unsigned long nr_to
 	unsigned long nr_immediate = 0;
 	isolate_mode_t isolate_mode = 0;
 	int file = is_file_lru(lru);
-	struct zone *zone = lruvec_zone(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 	struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
 
-	while (unlikely(too_many_isolated(zone, file, sc))) {
+	while (unlikely(too_many_isolated(pgdat, file, sc))) {
 		congestion_wait(BLK_RW_ASYNC, HZ/10);
 
 		/* We are about to die and free our memory. Return now. */
@@ -1600,48 +1625,45 @@ shrink_inactive_list(unsigned long nr_to
 	if (!sc->may_writepage)
 		isolate_mode |= ISOLATE_CLEAN;
 
-	spin_lock_irq(zone_lru_lock(zone));
+	spin_lock_irq(&pgdat->lru_lock);
 
 	nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &page_list,
 				     &nr_scanned, sc, isolate_mode, lru);
 
-	update_lru_size(lruvec, lru, -nr_taken);
-	__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, nr_taken);
+	__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken);
 	reclaim_stat->recent_scanned[file] += nr_taken;
 
 	if (global_reclaim(sc)) {
-		__mod_zone_page_state(zone, NR_PAGES_SCANNED, nr_scanned);
+		__mod_node_page_state(pgdat, NR_PAGES_SCANNED, nr_scanned);
 		if (current_is_kswapd())
-			__count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scanned);
+			__count_vm_events(PGSCAN_KSWAPD, nr_scanned);
 		else
-			__count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scanned);
+			__count_vm_events(PGSCAN_DIRECT, nr_scanned);
 	}
-	spin_unlock_irq(zone_lru_lock(zone));
+	spin_unlock_irq(&pgdat->lru_lock);
 
 	if (nr_taken == 0)
 		return 0;
 
-	nr_reclaimed = shrink_page_list(&page_list, zone, sc, TTU_UNMAP,
+	nr_reclaimed = shrink_page_list(&page_list, pgdat, sc, TTU_UNMAP,
 				&nr_dirty, &nr_unqueued_dirty, &nr_congested,
 				&nr_writeback, &nr_immediate,
 				false);
 
-	spin_lock_irq(zone_lru_lock(zone));
+	spin_lock_irq(&pgdat->lru_lock);
 
 	if (global_reclaim(sc)) {
 		if (current_is_kswapd())
-			__count_zone_vm_events(PGSTEAL_KSWAPD, zone,
-					       nr_reclaimed);
+			__count_vm_events(PGSTEAL_KSWAPD, nr_reclaimed);
 		else
-			__count_zone_vm_events(PGSTEAL_DIRECT, zone,
-					       nr_reclaimed);
+			__count_vm_events(PGSTEAL_DIRECT, nr_reclaimed);
 	}
 
 	putback_inactive_pages(lruvec, &page_list);
 
-	__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, -nr_taken);
+	__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
 
-	spin_unlock_irq(zone_lru_lock(zone));
+	spin_unlock_irq(&pgdat->lru_lock);
 
 	mem_cgroup_uncharge_list(&page_list);
 	free_hot_cold_page_list(&page_list, true);
@@ -1661,7 +1683,7 @@ shrink_inactive_list(unsigned long nr_to
 	 * are encountered in the nr_immediate check below.
 	 */
 	if (nr_writeback && nr_writeback == nr_taken)
-		set_bit(ZONE_WRITEBACK, &zone->flags);
+		set_bit(PGDAT_WRITEBACK, &pgdat->flags);
 
 	/*
 	 * Legacy memcg will stall in page writeback so avoid forcibly
@@ -1673,16 +1695,16 @@ shrink_inactive_list(unsigned long nr_to
 		 * backed by a congested BDI and wait_iff_congested will stall.
 		 */
 		if (nr_dirty && nr_dirty == nr_congested)
-			set_bit(ZONE_CONGESTED, &zone->flags);
+			set_bit(PGDAT_CONGESTED, &pgdat->flags);
 
 		/*
 		 * If dirty pages are scanned that are not queued for IO, it
 		 * implies that flushers are not keeping up. In this case, flag
-		 * the zone ZONE_DIRTY and kswapd will start writing pages from
+		 * the pgdat PGDAT_DIRTY and kswapd will start writing pages from
 		 * reclaim context.
 		 */
 		if (nr_unqueued_dirty == nr_taken)
-			set_bit(ZONE_DIRTY, &zone->flags);
+			set_bit(PGDAT_DIRTY, &pgdat->flags);
 
 		/*
 		 * If kswapd scans pages marked marked for immediate
@@ -1701,9 +1723,10 @@ shrink_inactive_list(unsigned long nr_to
 	 */
 	if (!sc->hibernation_mode && !current_is_kswapd() &&
 	    current_may_throttle())
-		wait_iff_congested(zone, BLK_RW_ASYNC, HZ/10);
+		wait_iff_congested(pgdat, BLK_RW_ASYNC, HZ/10);
 
-	trace_mm_vmscan_lru_shrink_inactive(zone, nr_scanned, nr_reclaimed,
+	trace_mm_vmscan_lru_shrink_inactive(pgdat->node_id,
+			nr_scanned, nr_reclaimed,
 			sc->priority, file);
 	return nr_reclaimed;
 }
@@ -1731,20 +1754,20 @@ static void move_active_pages_to_lru(str
 				     struct list_head *pages_to_free,
 				     enum lru_list lru)
 {
-	struct zone *zone = lruvec_zone(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 	unsigned long pgmoved = 0;
 	struct page *page;
 	int nr_pages;
 
 	while (!list_empty(list)) {
 		page = lru_to_page(list);
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, pgdat);
 
 		VM_BUG_ON_PAGE(PageLRU(page), page);
 		SetPageLRU(page);
 
 		nr_pages = hpage_nr_pages(page);
-		update_lru_size(lruvec, lru, nr_pages);
+		update_lru_size(lruvec, lru, page_zonenum(page), nr_pages);
 		list_move(&page->lru, &lruvec->lists[lru]);
 		pgmoved += nr_pages;
 
@@ -1754,10 +1777,10 @@ static void move_active_pages_to_lru(str
 			del_page_from_lru_list(page, lruvec, lru);
 
 			if (unlikely(PageCompound(page))) {
-				spin_unlock_irq(zone_lru_lock(zone));
+				spin_unlock_irq(&pgdat->lru_lock);
 				mem_cgroup_uncharge(page);
 				(*get_compound_page_dtor(page))(page);
-				spin_lock_irq(zone_lru_lock(zone));
+				spin_lock_irq(&pgdat->lru_lock);
 			} else
 				list_add(&page->lru, pages_to_free);
 		}
@@ -1783,7 +1806,7 @@ static void shrink_active_list(unsigned
 	unsigned long nr_rotated = 0;
 	isolate_mode_t isolate_mode = 0;
 	int file = is_file_lru(lru);
-	struct zone *zone = lruvec_zone(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 
 	lru_add_drain();
 
@@ -1792,20 +1815,19 @@ static void shrink_active_list(unsigned
 	if (!sc->may_writepage)
 		isolate_mode |= ISOLATE_CLEAN;
 
-	spin_lock_irq(zone_lru_lock(zone));
+	spin_lock_irq(&pgdat->lru_lock);
 
 	nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &l_hold,
 				     &nr_scanned, sc, isolate_mode, lru);
 
-	update_lru_size(lruvec, lru, -nr_taken);
-	__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, nr_taken);
+	__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken);
 	reclaim_stat->recent_scanned[file] += nr_taken;
 
 	if (global_reclaim(sc))
-		__mod_zone_page_state(zone, NR_PAGES_SCANNED, nr_scanned);
-	__count_zone_vm_events(PGREFILL, zone, nr_scanned);
+		__mod_node_page_state(pgdat, NR_PAGES_SCANNED, nr_scanned);
+	__count_vm_events(PGREFILL, nr_scanned);
 
-	spin_unlock_irq(zone_lru_lock(zone));
+	spin_unlock_irq(&pgdat->lru_lock);
 
 	while (!list_empty(&l_hold)) {
 		cond_resched();
@@ -1850,7 +1872,7 @@ static void shrink_active_list(unsigned
 	/*
 	 * Move pages back to the lru list.
 	 */
-	spin_lock_irq(zone_lru_lock(zone));
+	spin_lock_irq(&pgdat->lru_lock);
 	/*
 	 * Count referenced pages from currently used mappings as rotated,
 	 * even though only some of them are actually re-activated.  This
@@ -1861,8 +1883,8 @@ static void shrink_active_list(unsigned
 
 	move_active_pages_to_lru(lruvec, &l_active, &l_hold, lru);
 	move_active_pages_to_lru(lruvec, &l_inactive, &l_hold, lru - LRU_ACTIVE);
-	__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, -nr_taken);
-	spin_unlock_irq(zone_lru_lock(zone));
+	__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
+	spin_unlock_irq(&pgdat->lru_lock);
 
 	mem_cgroup_uncharge_list(&l_hold);
 	free_hot_cold_page_list(&l_hold, true);
@@ -1956,7 +1978,7 @@ static void get_scan_count(struct lruvec
 	struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
 	u64 fraction[2];
 	u64 denominator = 0;	/* gcc */
-	struct zone *zone = lruvec_zone(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 	unsigned long anon_prio, file_prio;
 	enum scan_balance scan_balance;
 	unsigned long anon, file;
@@ -1977,7 +1999,7 @@ static void get_scan_count(struct lruvec
 	 * well.
 	 */
 	if (current_is_kswapd()) {
-		if (!zone_reclaimable(zone))
+		if (!pgdat_reclaimable(pgdat))
 			force_scan = true;
 		if (!mem_cgroup_online(memcg))
 			force_scan = true;
@@ -2023,14 +2045,24 @@ static void get_scan_count(struct lruvec
 	 * anon pages.  Try to detect this based on file LRU size.
 	 */
 	if (global_reclaim(sc)) {
-		unsigned long zonefile;
-		unsigned long zonefree;
+		unsigned long pgdatfile;
+		unsigned long pgdatfree;
+		int z;
+		unsigned long total_high_wmark = 0;
+
+		pgdatfree = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES);
+		pgdatfile = node_page_state(pgdat, NR_ACTIVE_FILE) +
+			   node_page_state(pgdat, NR_INACTIVE_FILE);
 
-		zonefree = zone_page_state(zone, NR_FREE_PAGES);
-		zonefile = zone_page_state(zone, NR_ACTIVE_FILE) +
-			   zone_page_state(zone, NR_INACTIVE_FILE);
+		for (z = 0; z < MAX_NR_ZONES; z++) {
+			struct zone *zone = &pgdat->node_zones[z];
+			if (!populated_zone(zone))
+				continue;
+
+			total_high_wmark += high_wmark_pages(zone);
+		}
 
-		if (unlikely(zonefile + zonefree <= high_wmark_pages(zone))) {
+		if (unlikely(pgdatfile + pgdatfree <= total_high_wmark)) {
 			scan_balance = SCAN_ANON;
 			goto out;
 		}
@@ -2077,7 +2109,7 @@ static void get_scan_count(struct lruvec
 	file  = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE) +
 		lruvec_lru_size(lruvec, LRU_INACTIVE_FILE);
 
-	spin_lock_irq(zone_lru_lock(zone));
+	spin_lock_irq(&pgdat->lru_lock);
 	if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) {
 		reclaim_stat->recent_scanned[0] /= 2;
 		reclaim_stat->recent_rotated[0] /= 2;
@@ -2098,7 +2130,7 @@ static void get_scan_count(struct lruvec
 
 	fp = file_prio * (reclaim_stat->recent_scanned[1] + 1);
 	fp /= reclaim_stat->recent_rotated[1] + 1;
-	spin_unlock_irq(zone_lru_lock(zone));
+	spin_unlock_irq(&pgdat->lru_lock);
 
 	fraction[0] = ap;
 	fraction[1] = fp;
@@ -2352,9 +2384,9 @@ static inline bool should_continue_recla
 	 * inactive lists are large enough, continue reclaiming
 	 */
 	pages_for_compaction = (2UL << sc->order);
-	inactive_lru_pages = zone_page_state(zone, NR_INACTIVE_FILE);
+	inactive_lru_pages = node_page_state(zone->zone_pgdat, NR_INACTIVE_FILE);
 	if (get_nr_swap_pages() > 0)
-		inactive_lru_pages += zone_page_state(zone, NR_INACTIVE_ANON);
+		inactive_lru_pages += node_page_state(zone->zone_pgdat, NR_INACTIVE_ANON);
 	if (sc->nr_reclaimed < pages_for_compaction &&
 			inactive_lru_pages > pages_for_compaction)
 		return true;
@@ -2554,7 +2586,7 @@ static void shrink_zones(struct zonelist
 				continue;
 
 			if (sc->priority != DEF_PRIORITY &&
-			    !zone_reclaimable(zone))
+			    !pgdat_reclaimable(zone->zone_pgdat))
 				continue;	/* Let kswapd poll it */
 
 			/*
@@ -2692,7 +2724,7 @@ static bool pfmemalloc_watermark_ok(pg_d
 	for (i = 0; i <= ZONE_NORMAL; i++) {
 		zone = &pgdat->node_zones[i];
 		if (!populated_zone(zone) ||
-		    zone_reclaimable_pages(zone) == 0)
+		    pgdat_reclaimable_pages(pgdat) == 0)
 			continue;
 
 		pfmemalloc_reserve += min_wmark_pages(zone);
@@ -3000,7 +3032,7 @@ static bool pgdat_balanced(pg_data_t *pg
 		 * DEF_PRIORITY. Effectively, it considers them balanced so
 		 * they must be considered balanced here as well!
 		 */
-		if (!zone_reclaimable(zone)) {
+		if (!pgdat_reclaimable(zone->zone_pgdat)) {
 			balanced_pages += zone->managed_pages;
 			continue;
 		}
@@ -3063,6 +3095,7 @@ static bool kswapd_shrink_zone(struct zo
 {
 	unsigned long balance_gap;
 	bool lowmem_pressure;
+	struct pglist_data *pgdat = zone->zone_pgdat;
 
 	/* Reclaim above the high watermark. */
 	sc->nr_to_reclaim = max(SWAP_CLUSTER_MAX, high_wmark_pages(zone));
@@ -3087,7 +3120,8 @@ static bool kswapd_shrink_zone(struct zo
 
 	shrink_zone(zone, sc, zone_idx(zone) == classzone_idx);
 
-	clear_bit(ZONE_WRITEBACK, &zone->flags);
+	/* TODO: ANOMALY */
+	clear_bit(PGDAT_WRITEBACK, &pgdat->flags);
 
 	/*
 	 * If a zone reaches its high watermark, consider it to be no longer
@@ -3095,10 +3129,10 @@ static bool kswapd_shrink_zone(struct zo
 	 * BDIs but as pressure is relieved, speculatively avoid congestion
 	 * waits.
 	 */
-	if (zone_reclaimable(zone) &&
+	if (pgdat_reclaimable(zone->zone_pgdat) &&
 	    zone_balanced(zone, sc->order, false, 0, classzone_idx)) {
-		clear_bit(ZONE_CONGESTED, &zone->flags);
-		clear_bit(ZONE_DIRTY, &zone->flags);
+		clear_bit(PGDAT_CONGESTED, &pgdat->flags);
+		clear_bit(PGDAT_DIRTY, &pgdat->flags);
 	}
 
 	return sc->nr_scanned >= sc->nr_to_reclaim;
@@ -3157,7 +3191,7 @@ static int balance_pgdat(pg_data_t *pgda
 				continue;
 
 			if (sc.priority != DEF_PRIORITY &&
-			    !zone_reclaimable(zone))
+			    !pgdat_reclaimable(zone->zone_pgdat))
 				continue;
 
 			/*
@@ -3184,9 +3218,11 @@ static int balance_pgdat(pg_data_t *pgda
 				/*
 				 * If balanced, clear the dirty and congested
 				 * flags
+				 *
+				 * TODO: ANOMALY
 				 */
-				clear_bit(ZONE_CONGESTED, &zone->flags);
-				clear_bit(ZONE_DIRTY, &zone->flags);
+				clear_bit(PGDAT_CONGESTED, &zone->zone_pgdat->flags);
+				clear_bit(PGDAT_DIRTY, &zone->zone_pgdat->flags);
 			}
 		}
 
@@ -3216,7 +3252,7 @@ static int balance_pgdat(pg_data_t *pgda
 				continue;
 
 			if (sc.priority != DEF_PRIORITY &&
-			    !zone_reclaimable(zone))
+			    !pgdat_reclaimable(zone->zone_pgdat))
 				continue;
 
 			sc.nr_scanned = 0;
@@ -3612,8 +3648,8 @@ int sysctl_min_slab_ratio = 5;
 static inline unsigned long zone_unmapped_file_pages(struct zone *zone)
 {
 	unsigned long file_mapped = zone_page_state(zone, NR_FILE_MAPPED);
-	unsigned long file_lru = zone_page_state(zone, NR_INACTIVE_FILE) +
-		zone_page_state(zone, NR_ACTIVE_FILE);
+	unsigned long file_lru = node_page_state(zone->zone_pgdat, NR_INACTIVE_FILE) +
+		node_page_state(zone->zone_pgdat, NR_ACTIVE_FILE);
 
 	/*
 	 * It's possible for there to be more file mapped pages than
@@ -3716,7 +3752,7 @@ int zone_reclaim(struct zone *zone, gfp_
 	    zone_page_state(zone, NR_SLAB_RECLAIMABLE) <= zone->min_slab_pages)
 		return ZONE_RECLAIM_FULL;
 
-	if (!zone_reclaimable(zone))
+	if (!pgdat_reclaimable(zone->zone_pgdat))
 		return ZONE_RECLAIM_FULL;
 
 	/*
@@ -3795,7 +3831,7 @@ void check_move_unevictable_pages(struct
 			zone = pagezone;
 			spin_lock_irq(zone_lru_lock(zone));
 		}
-		lruvec = mem_cgroup_page_lruvec(page, zone);
+		lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat);
 
 		if (!PageLRU(page) || !PageUnevictable(page))
 			continue;
diff -puN mm/vmstat.c~mm-vmscan-move-lru-lists-to-node mm/vmstat.c
--- a/mm/vmstat.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/vmstat.c
@@ -936,11 +936,8 @@ const char * const vmstat_text[] = {
 	/* enum zone_stat_item countes */
 	"nr_free_pages",
 	"nr_alloc_batch",
-	"nr_inactive_anon",
-	"nr_active_anon",
-	"nr_inactive_file",
-	"nr_active_file",
-	"nr_unevictable",
+	"nr_zone_anon_lru",
+	"nr_zone_file_lru",
 	"nr_mlock",
 	"nr_anon_pages",
 	"nr_mapped",
@@ -956,12 +953,9 @@ const char * const vmstat_text[] = {
 	"nr_vmscan_write",
 	"nr_vmscan_immediate_reclaim",
 	"nr_writeback_temp",
-	"nr_isolated_anon",
-	"nr_isolated_file",
 	"nr_shmem",
 	"nr_dirtied",
 	"nr_written",
-	"nr_pages_scanned",
 #if IS_ENABLED(CONFIG_ZSMALLOC)
 	"nr_zspages",
 #endif
@@ -981,6 +975,16 @@ const char * const vmstat_text[] = {
 	"nr_shmem_pmdmapped",
 	"nr_free_cma",
 
+	/* Node-based counters */
+	"nr_inactive_anon",
+	"nr_active_anon",
+	"nr_inactive_file",
+	"nr_active_file",
+	"nr_unevictable",
+	"nr_isolated_anon",
+	"nr_isolated_file",
+	"nr_pages_scanned",
+
 	/* enum writeback_stat_item counters */
 	"nr_dirty_threshold",
 	"nr_dirty_background_threshold",
@@ -1002,11 +1006,11 @@ const char * const vmstat_text[] = {
 	"pgmajfault",
 	"pglazyfreed",
 
-	TEXTS_FOR_ZONES("pgrefill")
-	TEXTS_FOR_ZONES("pgsteal_kswapd")
-	TEXTS_FOR_ZONES("pgsteal_direct")
-	TEXTS_FOR_ZONES("pgscan_kswapd")
-	TEXTS_FOR_ZONES("pgscan_direct")
+	"pgrefill",
+	"pgsteal_kswapd",
+	"pgsteal_direct",
+	"pgscan_kswapd",
+	"pgscan_direct",
 	"pgscan_direct_throttle",
 
 #ifdef CONFIG_NUMA
@@ -1434,7 +1438,7 @@ static void zoneinfo_show_print(struct s
 		   "\n        min      %lu"
 		   "\n        low      %lu"
 		   "\n        high     %lu"
-		   "\n        scanned  %lu"
+		   "\n   node_scanned  %lu"
 		   "\n        spanned  %lu"
 		   "\n        present  %lu"
 		   "\n        managed  %lu",
@@ -1442,13 +1446,13 @@ static void zoneinfo_show_print(struct s
 		   min_wmark_pages(zone),
 		   low_wmark_pages(zone),
 		   high_wmark_pages(zone),
-		   zone_page_state(zone, NR_PAGES_SCANNED),
+		   node_page_state(zone->zone_pgdat, NR_PAGES_SCANNED),
 		   zone->spanned_pages,
 		   zone->present_pages,
 		   zone->managed_pages);
 
 	for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
-		seq_printf(m, "\n    %-12s %lu", vmstat_text[i],
+		seq_printf(m, "\n      %-12s %lu", vmstat_text[i],
 				zone_page_state(zone, i));
 
 	seq_printf(m,
@@ -1478,12 +1482,12 @@ static void zoneinfo_show_print(struct s
 #endif
 	}
 	seq_printf(m,
-		   "\n  all_unreclaimable: %u"
-		   "\n  start_pfn:         %lu"
-		   "\n  inactive_ratio:    %u",
-		   !zone_reclaimable(zone),
+		   "\n  node_unreclaimable:  %u"
+		   "\n  start_pfn:           %lu"
+		   "\n  node_inactive_ratio: %u",
+		   !pgdat_reclaimable(zone->zone_pgdat),
 		   zone->zone_start_pfn,
-		   zone->inactive_ratio);
+		   zone->zone_pgdat->inactive_ratio);
 	seq_putc(m, '\n');
 }
 
@@ -1574,7 +1578,6 @@ static int vmstat_show(struct seq_file *
 {
 	unsigned long *l = arg;
 	unsigned long off = l - (unsigned long *)m->private;
-
 	seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
 	return 0;
 }
diff -puN mm/workingset.c~mm-vmscan-move-lru-lists-to-node mm/workingset.c
--- a/mm/workingset.c~mm-vmscan-move-lru-lists-to-node
+++ a/mm/workingset.c
@@ -355,8 +355,8 @@ static unsigned long count_shadow_nodes(
 		pages = mem_cgroup_node_nr_lru_pages(sc->memcg, sc->nid,
 						     LRU_ALL_FILE);
 	} else {
-		pages = sum_zone_node_page_state(sc->nid, NR_ACTIVE_FILE) +
-			sum_zone_node_page_state(sc->nid, NR_INACTIVE_FILE);
+		pages = node_page_state(NODE_DATA(sc->nid), NR_ACTIVE_FILE) +
+			node_page_state(NODE_DATA(sc->nid), NR_INACTIVE_FILE);
 	}
 
 	/*
_

Patches currently in -mm which might be from mgorman@xxxxxxxxxxxxxxxxxxx are


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