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>
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1 changed files with 5 additions and 4 deletions
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@ -1611,7 +1611,8 @@ slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid)
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}
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/*
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* Interface to system's page allocator. No need to hold the cache-lock.
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* Interface to system's page allocator. No need to hold the
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* kmem_cache_node ->list_lock.
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*
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* If we requested dmaable memory, we will get it. Even if we
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* did not request dmaable memory, we might get it, but that
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@ -1913,9 +1914,9 @@ static void slab_destroy_debugcheck(struct kmem_cache *cachep,
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* @cachep: cache pointer being destroyed
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* @page: page pointer being destroyed
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*
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* Destroy all the objs in a slab, and release the mem back to the system.
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* Before calling the slab must have been unlinked from the cache. The
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* cache-lock is not held/needed.
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* Destroy all the objs in a slab page, and release the mem back to the system.
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* Before calling the slab page must have been unlinked from the cache. The
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* kmem_cache_node ->list_lock is not held/needed.
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*/
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static void slab_destroy(struct kmem_cache *cachep, struct page *page)
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{
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