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| author | Abel Wu <wuyun.wu@huawei.com> | 2020-10-14 01:48:43 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-14 03:38:27 +0200 |
| commit | 9f986d998a3001b6eeb189be8444bc0360e61e24 (patch) | |
| tree | 51a1a364958d941d87d2e2c2d4afcd03af2c4d75 | |
| parent | mm/slub.c: branch optimization in free slowpath (diff) | |
| download | linux-9f986d998a3001b6eeb189be8444bc0360e61e24.tar.xz linux-9f986d998a3001b6eeb189be8444bc0360e61e24.zip | |
mm/slub: fix missing ALLOC_SLOWPATH stat when bulk alloc
The ALLOC_SLOWPATH statistics is missing in bulk allocation now. Fix it
by doing statistics in alloc slow path.
Signed-off-by: Abel Wu <wuyun.wu@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Hewenliang <hewenliang4@huawei.com>
Cc: Hu Shiyuan <hushiyuan@huawei.com>
Link: http://lkml.kernel.org/r/20200811022427.1363-1-wuyun.wu@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/slub.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c index da6438bd8202..7728a0b71d63 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2661,6 +2661,8 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, void *freelist; struct page *page; + stat(s, ALLOC_SLOWPATH); + page = c->page; if (!page) { /* @@ -2850,7 +2852,6 @@ redo: page = c->page; if (unlikely(!object || !node_match(page, node))) { object = __slab_alloc(s, gfpflags, node, addr, c); - stat(s, ALLOC_SLOWPATH); } else { void *next_object = get_freepointer_safe(s, object); |