The patch titled
Subject: mm/vmscan: replace zone_nr_lru_pages() with get_lruvec_size()
has been added to the -mm tree. Its filename is
mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size.patch
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------------------------------------------------------
From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Subject: mm/vmscan: replace zone_nr_lru_pages() with get_lruvec_size()
If memory cgroup is enabled we always use lruvecs which are embedded into
struct mem_cgroup_per_zone, so we can reach lru_size counters via
container_of().
Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 6 ++----
mm/memcontrol.c | 9 +++++++++
mm/vmscan.c | 31 ++++++++++++++++---------------
3 files changed, 27 insertions(+), 19 deletions(-)
diff -puN include/linux/memcontrol.h~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size
+++ a/include/linux/memcontrol.h
@@ -124,8 +124,7 @@ int mem_cgroup_inactive_anon_is_low(stru
int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg,
struct zone *zone);
int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
-unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg,
- int nid, int zid, unsigned int lrumask);
+unsigned long mem_cgroup_get_lruvec_size(struct lruvec *lruvec, enum lru_list);
struct zone_reclaim_stat*
mem_cgroup_get_reclaim_stat_from_page(struct page *page);
extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
@@ -344,8 +343,7 @@ mem_cgroup_inactive_file_is_low(struct m
}
static inline unsigned long
-mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid,
- unsigned int lru_mask)
+mem_cgroup_get_lruvec_size(struct lruvec *lruvec, enum lru_list lru)
{
return 0;
}
diff -puN mm/memcontrol.c~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size mm/memcontrol.c
--- a/mm/memcontrol.c~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size
+++ a/mm/memcontrol.c
@@ -743,6 +743,15 @@ static void mem_cgroup_charge_statistics
}
unsigned long
+mem_cgroup_get_lruvec_size(struct lruvec *lruvec, enum lru_list lru)
+{
+ struct mem_cgroup_per_zone *mz;
+
+ mz = container_of(lruvec, struct mem_cgroup_per_zone, lruvec);
+ return mz->lru_size[lru];
+}
+
+static unsigned long
mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid,
unsigned int lru_mask)
{
diff -puN mm/vmscan.c~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size
+++ a/mm/vmscan.c
@@ -155,19 +155,14 @@ static struct zone_reclaim_stat *get_rec
return &mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup)->reclaim_stat;
}
-static unsigned long zone_nr_lru_pages(struct mem_cgroup_zone *mz,
- enum lru_list lru)
+static unsigned long get_lruvec_size(struct lruvec *lruvec, enum lru_list lru)
{
if (!mem_cgroup_disabled())
- return mem_cgroup_zone_nr_lru_pages(mz->mem_cgroup,
- zone_to_nid(mz->zone),
- zone_idx(mz->zone),
- BIT(lru));
+ return mem_cgroup_get_lruvec_size(lruvec, lru);
- return zone_page_state(mz->zone, NR_LRU_BASE + lru);
+ return zone_page_state(lruvec_zone(lruvec), NR_LRU_BASE + lru);
}
-
/*
* Add a shrinker callback to be called from the vm
*/
@@ -1603,6 +1598,9 @@ static void get_scan_count(struct mem_cg
enum lru_list lru;
int noswap = 0;
bool force_scan = false;
+ struct lruvec *lruvec;
+
+ lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup);
/*
* If the zone or memcg is small, nr[l] can be 0. This
@@ -1628,10 +1626,10 @@ static void get_scan_count(struct mem_cg
goto out;
}
- anon = zone_nr_lru_pages(mz, LRU_ACTIVE_ANON) +
- zone_nr_lru_pages(mz, LRU_INACTIVE_ANON);
- file = zone_nr_lru_pages(mz, LRU_ACTIVE_FILE) +
- zone_nr_lru_pages(mz, LRU_INACTIVE_FILE);
+ anon = get_lruvec_size(lruvec, LRU_ACTIVE_ANON) +
+ get_lruvec_size(lruvec, LRU_INACTIVE_ANON);
+ file = get_lruvec_size(lruvec, LRU_ACTIVE_FILE) +
+ get_lruvec_size(lruvec, LRU_INACTIVE_FILE);
if (global_reclaim(sc)) {
free = zone_page_state(mz->zone, NR_FREE_PAGES);
@@ -1694,7 +1692,7 @@ out:
int file = is_file_lru(lru);
unsigned long scan;
- scan = zone_nr_lru_pages(mz, lru);
+ scan = get_lruvec_size(lruvec, lru);
if (sc->priority || noswap) {
scan >>= sc->priority;
if (!scan && force_scan)
@@ -1730,6 +1728,7 @@ static inline bool should_continue_recla
{
unsigned long pages_for_compaction;
unsigned long inactive_lru_pages;
+ struct lruvec *lruvec;
/* If not in reclaim/compaction mode, stop */
if (!in_reclaim_compaction(sc))
@@ -1762,10 +1761,12 @@ static inline bool should_continue_recla
* If we have not reclaimed enough pages for compaction and the
* inactive lists are large enough, continue reclaiming
*/
+ lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup);
pages_for_compaction = (2UL << sc->order);
- inactive_lru_pages = zone_nr_lru_pages(mz, LRU_INACTIVE_FILE);
+ inactive_lru_pages = get_lruvec_size(lruvec, LRU_INACTIVE_FILE);
if (nr_swap_pages > 0)
- inactive_lru_pages += zone_nr_lru_pages(mz, LRU_INACTIVE_ANON);
+ inactive_lru_pages += get_lruvec_size(lruvec,
+ LRU_INACTIVE_ANON);
if (sc->nr_reclaimed < pages_for_compaction &&
inactive_lru_pages > pages_for_compaction)
return true;
_
Subject: Subject: mm/vmscan: replace zone_nr_lru_pages() with get_lruvec_size()
Patches currently in -mm which might be from khlebnikov@xxxxxxxxxx are
linux-next.patch
proc-pagemap-correctly-report-non-present-ptes-and-holes-between-vmas.patch
mm-remove-swap-token-code.patch
mm-vmscan-remove-lumpy-reclaim.patch
mm-vmscan-do-not-stall-on-writeback-during-memory-compaction.patch
mm-vmscan-remove-reclaim_mode_t.patch
mm-correctly-synchronize-rss-counters-at-exit-exec.patch
kernel-cgroup-push-rcu-read-locking-from-css_is_ancestor-to-callsite.patch
mm-memcg-count-pte-references-from-every-member-of-the-reclaimed-hierarchy.patch
mm-memcg-count-pte-references-from-every-member-of-the-reclaimed-hierarchy-fix.patch
bug-introduce-build_bug_on_invalid-macro.patch
bug-completely-remove-code-generated-by-disabled-vm_bug_on.patch
mm-memcg-scanning_global_lru-means-mem_cgroup_disabled.patch
mm-memcg-move-reclaim_stat-into-lruvec.patch
mm-push-lru-index-into-shrink_active_list.patch
mm-push-lru-index-into-shrink_active_list-fix.patch
mm-mark-mm-inline-functions-as-__always_inline.patch
mm-remove-lru-type-checks-from-__isolate_lru_page.patch
mm-memcg-kill-mem_cgroup_lru_del.patch
mm-memcg-use-vm_swappiness-from-target-memory-cgroup.patch
mm-vmscan-store-priority-in-struct-scan_control.patch
mm-add-link-from-struct-lruvec-to-struct-zone.patch
mm-vmscan-push-lruvec-pointer-into-isolate_lru_pages.patch
mm-vmscan-push-zone-pointer-into-shrink_page_list.patch
mm-vmscan-remove-update_isolated_counts.patch
mm-vmscan-push-lruvec-pointer-into-putback_inactive_pages.patch
mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size.patch
mm-vmscan-push-lruvec-pointer-into-inactive_list_is_low.patch
mm-vmscan-push-lruvec-pointer-into-shrink_list.patch
mm-vmscan-push-lruvec-pointer-into-get_scan_count.patch
mm-vmscan-push-lruvec-pointer-into-should_continue_reclaim.patch
mm-vmscan-kill-struct-mem_cgroup_zone.patch
proc-report-file-anon-bit-in-proc-pid-pagemap.patch
proc-smaps-carefully-handle-migration-entries.patch
proc-smaps-show-amount-of-nonlinear-ptes-in-vma.patch
proc-smaps-show-amount-of-hwpoison-pages.patch
fork-call-complete_vfork_done-after-clearing-child_tid-and-flushing-rss-counters.patch
c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-update-after-mm-num_exe_file_vmas-removal.patch
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