The patch titled
Subject: mm: vmscan: delete unused pgdat_reclaimable_pages()
has been added to the -mm tree. Its filename is
mm-vmscan-delete-unused-pgdat_reclaimable_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-delete-unused-pgdat_reclaimable_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-delete-unused-pgdat_reclaimable_pages.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: mm: vmscan: delete unused pgdat_reclaimable_pages()
Patch series "mm: per-lruvec slab stats"
Josef is working on a new approach to balancing slab caches and the page
cache. For this to work, he needs slab cache statistics on the lruvec
level. These patches implement that by adding infrastructure that allows
updating and reading generic VM stat items per lruvec, then switches some
existing VM accounting sites, including the slab accounting ones, to this
new cgroup-aware API.
I'll follow up with more patches on this, because there is actually
substantial simplification that can be done to the memory controller when
we replace private memcg accounting with making the existing VM accounting
sites cgroup-aware. But this is enough for Josef to base his slab reclaim
work on, so here goes.
This patch (of 6): delete unused pgdat_reclaimable_pages().
Link: http://lkml.kernel.org/r/20170530181724.27197-2-hannes@xxxxxxxxxxx
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Josef Bacik <josef@xxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/swap.h | 1 -
mm/vmscan.c | 16 ----------------
2 files changed, 17 deletions(-)
diff -puN include/linux/swap.h~mm-vmscan-delete-unused-pgdat_reclaimable_pages include/linux/swap.h
--- a/include/linux/swap.h~mm-vmscan-delete-unused-pgdat_reclaimable_pages
+++ a/include/linux/swap.h
@@ -289,7 +289,6 @@ 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 mm/vmscan.c~mm-vmscan-delete-unused-pgdat_reclaimable_pages mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-delete-unused-pgdat_reclaimable_pages
+++ a/mm/vmscan.c
@@ -228,22 +228,6 @@ unsigned long zone_reclaimable_pages(str
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 += 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;
-}
-
/**
* lruvec_lru_size - Returns the number of pages on the given LRU list.
* @lruvec: lru vector
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-vmscan-delete-unused-pgdat_reclaimable_pages.patch
mm-vmstat-move-slab-statistics-from-zone-to-node-counters.patch
mm-memcontrol-use-the-node-native-slab-memory-counters.patch
mm-memcontrol-use-generic-mod_memcg_page_state-for-kmem-pages.patch
mm-memcontrol-per-lruvec-stats-infrastructure.patch
mm-memcontrol-account-slab-stats-per-lruvec.patch
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