diff options
| author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-08-18 00:48:30 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-18 01:20:31 +0200 |
| commit | ac7fb3ad2717c56cee70456ffe9d808230db528e (patch) | |
| tree | fd2642220084707e8c907b859b493752d1b3775b | |
| parent | mm/vmscan.c: clear shrinker bit if there are no objects related to memcg (diff) | |
| download | linux-ac7fb3ad2717c56cee70456ffe9d808230db528e.tar.xz linux-ac7fb3ad2717c56cee70456ffe9d808230db528e.zip | |
mm/vmscan.c: move check for SHRINKER_NUMA_AWARE to do_shrink_slab()
In case of shrink_slab_memcg() we do not zero nid, when shrinker is not
numa-aware. This is not a real problem, since currently all memcg-aware
shrinkers are numa-aware too (we have two: super_block shrinker and
workingset shrinker), but something may change in the future.
Link: http://lkml.kernel.org/r/153320759911.18959.8842396230157677671.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Josef Bacik <jbacik@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/vmscan.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 93fdd0375b64..8fcc86f1d7bc 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -455,6 +455,9 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, : SHRINK_BATCH; long scanned = 0, next_deferred; + if (!(shrinker->flags & SHRINKER_NUMA_AWARE)) + nid = 0; + freeable = shrinker->count_objects(shrinker, shrinkctl); if (freeable == 0 || freeable == SHRINK_EMPTY) return freeable; @@ -680,9 +683,6 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int nid, .memcg = memcg, }; - if (!(shrinker->flags & SHRINKER_NUMA_AWARE)) - sc.nid = 0; - ret = do_shrink_slab(&sc, shrinker, priority); if (ret == SHRINK_EMPTY) ret = 0; |