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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-28 15:47:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 5a1c84b404a7176b8b36e2a0041b6f0adb3151a3 (patch) | |
| tree | ff98e242c5d4d3a24ca49f6ddc707028aeb938f9 /mm/vmstat.c | |
| parent | bb4cc2bea6df7854d629bff114ca03237cc718d6 (diff) | |
| download | linux-5a1c84b404a7176b8b36e2a0041b6f0adb3151a3.tar.gz linux-5a1c84b404a7176b8b36e2a0041b6f0adb3151a3.tar.bz2 linux-5a1c84b404a7176b8b36e2a0041b6f0adb3151a3.zip | |
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.c | 1 |
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", |