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slub: Add lock release annotation
The unfreeze_slab() releases page's PG_locked bit but was missing proper annotation. The deactivate_slab() needs to be marked also since it calls unfreeze_slab() without grabbing the lock. Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
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@ -1446,6 +1446,7 @@ static struct page *get_partial(struct kmem_cache *s, gfp_t flags, int node)
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* On exit the slab lock will have been dropped.
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*/
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static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
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__releases(bitlock)
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{
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struct kmem_cache_node *n = get_node(s, page_to_nid(page));
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@ -1488,6 +1489,7 @@ static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
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* Remove the cpu slab
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*/
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static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
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__releases(bitlock)
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{
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struct page *page = c->page;
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int tail = 1;
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