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authorMel Gorman <mgorman@techsingularity.net>2016-07-28 15:47:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-28 16:07:41 -0700
commit5a1c84b404a7176b8b36e2a0041b6f0adb3151a3 (patch)
treeff98e242c5d4d3a24ca49f6ddc707028aeb938f9 /mm/vmstat.c
parentbb4cc2bea6df7854d629bff114ca03237cc718d6 (diff)
downloadlinux-5a1c84b404a7176b8b36e2a0041b6f0adb3151a3.tar.bz2
mm: remove reclaim and compaction retry approximations
If per-zone LRU accounting is available then there is no point approximating whether reclaim and compaction should retry based on pgdat statistics. This is effectively a revert of "mm, vmstat: remove zone and node double accounting by approximating retries" with the difference that inactive/active stats are still available. This preserves the history of why the approximation was retried and why it had to be reverted to handle OOM kills on 32-bit systems. Link: http://lkml.kernel.org/r/1469110261-7365-4-git-send-email-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Minchan Kim <minchan@kernel.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 053075ac67b8..89cec42d19ff 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -926,6 +926,7 @@ const char * const vmstat_text[] = {
"nr_zone_inactive_file",
"nr_zone_active_file",
"nr_zone_unevictable",
+ "nr_zone_write_pending",
"nr_mlock",
"nr_slab_reclaimable",
"nr_slab_unreclaimable",