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-rw-r--r--mm/slub.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 9620815..a03e0ae 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1044,16 +1044,17 @@ bad:
}
/* Supports checking bulk free of a constructed freelist */
-static noinline struct kmem_cache_node *free_debug_processing(
+static noinline int free_debug_processing(
struct kmem_cache *s, struct page *page,
void *head, void *tail, int bulk_cnt,
- unsigned long addr, unsigned long *flags)
+ unsigned long addr)
{
struct kmem_cache_node *n = get_node(s, page_to_nid(page));
void *object = head;
int cnt = 0;
+ unsigned long uninitialized_var(flags);
- spin_lock_irqsave(&n->list_lock, *flags);
+ spin_lock_irqsave(&n->list_lock, flags);
slab_lock(page);
if (!check_slab(s, page))
@@ -1106,17 +1107,14 @@ out:
bulk_cnt, cnt);
slab_unlock(page);
- /*
- * Keep node_lock to preserve integrity
- * until the object is actually freed
- */
- return n;
+ spin_unlock_irqrestore(&n->list_lock, flags);
+ return 1;
fail:
slab_unlock(page);
- spin_unlock_irqrestore(&n->list_lock, *flags);
+ spin_unlock_irqrestore(&n->list_lock, flags);
slab_fix(s, "Object at 0x%p not freed", object);
- return NULL;
+ return 0;
}
static int __init setup_slub_debug(char *str)
@@ -1207,10 +1205,10 @@ static inline void setup_object_debug(struct kmem_cache *s,
static inline int alloc_debug_processing(struct kmem_cache *s,
struct page *page, void *object, unsigned long addr) { return 0; }
-static inline struct kmem_cache_node *free_debug_processing(
+static inline int free_debug_processing(
struct kmem_cache *s, struct page *page,
void *head, void *tail, int bulk_cnt,
- unsigned long addr, unsigned long *flags) { return NULL; }
+ unsigned long addr) { return 0; }
static inline int slab_pad_check(struct kmem_cache *s, struct page *page)
{ return 1; }
@@ -2588,8 +2586,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
stat(s, FREE_SLOWPATH);
if (kmem_cache_debug(s) &&
- !(n = free_debug_processing(s, page, head, tail, cnt,
- addr, &flags)))
+ !free_debug_processing(s, page, head, tail, cnt, addr))
return;
do {
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