diff options
| author | Wang Sheng-Hui <shhuiw@gmail.com> | 2014-08-06 16:04:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:15 -0700 |
| commit | 8a7d9b4306258e092afaae3c663661d22bf91f5c (patch) | |
| tree | b28c9644bf084a235b14897573e6bd4c9ce9321f /mm/slab.c | |
| parent | 928cec9cd6db53a68f54bc9ef1c54c674ba1c6bb (diff) | |
| download | lwn-8a7d9b4306258e092afaae3c663661d22bf91f5c.tar.gz lwn-8a7d9b4306258e092afaae3c663661d22bf91f5c.zip | |
mm/slab.c: fix comments
Current struct kmem_cache has no 'lock' field, and slab page is managed by
struct kmem_cache_node, which has 'list_lock' field.
Clean up the related comment.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
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/slab.c')
| -rw-r--r-- | mm/slab.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c index 1351725f7936..2e60bf3dedbb 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1611,7 +1611,8 @@ slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid) } /* - * Interface to system's page allocator. No need to hold the cache-lock. + * Interface to system's page allocator. No need to hold the + * kmem_cache_node ->list_lock. * * If we requested dmaable memory, we will get it. Even if we * did not request dmaable memory, we might get it, but that @@ -1913,9 +1914,9 @@ static void slab_destroy_debugcheck(struct kmem_cache *cachep, * @cachep: cache pointer being destroyed * @page: page pointer being destroyed * - * Destroy all the objs in a slab, and release the mem back to the system. - * Before calling the slab must have been unlinked from the cache. The - * cache-lock is not held/needed. + * Destroy all the objs in a slab page, and release the mem back to the system. + * Before calling the slab page must have been unlinked from the cache. The + * kmem_cache_node ->list_lock is not held/needed. */ static void slab_destroy(struct kmem_cache *cachep, struct page *page) { |