[PATCH 2/3] slub: Add lock release annotation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
---
 mm/slub.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index e137688..f0684a9 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1405,6 +1405,7 @@ static struct page *get_partial(struct kmem_cache *s, gfp_t flags, int node)
  * On exit the slab lock will have been dropped.
  */
 static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
+	__releases(bitlock)
 {
 	struct kmem_cache_node *n = get_node(s, page_to_nid(page));
 
@@ -1447,6 +1448,7 @@ static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
  * Remove the cpu slab
  */
 static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
+	__releases(bitlock)
 {
 	struct page *page = c->page;
 	int tail = 1;
-- 
1.7.2.2

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]