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authorWang Sheng-Hui <shhuiw@gmail.com>2014-08-07 03:04:46 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-07 05:01:15 +0400
commit8a7d9b4306258e092afaae3c663661d22bf91f5c (patch)
treeb28c9644bf084a235b14897573e6bd4c9ce9321f /mm/slab.c
parent928cec9cd6db53a68f54bc9ef1c54c674ba1c6bb (diff)
downloadlinux-8a7d9b4306258e092afaae3c663661d22bf91f5c.tar.xz
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.c9
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)
{