Commit 8a7d9b43 authored by Wang Sheng-Hui's avatar Wang Sheng-Hui Committed by Linus Torvalds

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: default avatarWang 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 928cec9c
......@@ -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)
{
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment