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| author | Liu Xiang <liu.xiang6@zte.com.cn> | 2019-05-14 03:16:28 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:47:45 +0300 |
| commit | 632b2ef0c72d9ea0f76619ad04ca53aae121f8b9 (patch) | |
| tree | c3d5f0e1c2ebf7fd6c597dd28af5a151b2143894 /mm/slub.c | |
| parent | 517f9f1ee5ed0a05d0f6f884f6d9b5c46ac5a810 (diff) | |
| download | linux-632b2ef0c72d9ea0f76619ad04ca53aae121f8b9.tar.xz | |
mm/slub.c: update the comment about slab frozen
Now frozen slab can only be on the per cpu partial list.
Link: http://lkml.kernel.org/r/1554022325-11305-1-git-send-email-liu.xiang6@zte.com.cn
Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c index af3b72b5de82..cd04dbd2b5d0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -58,10 +58,11 @@ * D. page->frozen -> frozen state * * If a slab is frozen then it is exempt from list management. It is not - * on any list. The processor that froze the slab is the one who can - * perform list operations on the page. Other processors may put objects - * onto the freelist but the processor that froze the slab is the only - * one that can retrieve the objects from the page's freelist. + * on any list except per cpu partial list. The processor that froze the + * slab is the one who can perform list operations on the page. Other + * processors may put objects onto the freelist but the processor that + * froze the slab is the only one that can retrieve the objects from the + * page's freelist. * * The list_lock protects the partial and full list on each node and * the partial slab counter. If taken then no new slabs may be added or |