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Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 08c57a0..cb6b085 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2197,11 +2197,10 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
struct kmem_cache_node *n = NULL;
unsigned long uninitialized_var(flags);
- local_irq_save(flags);
stat(s, FREE_SLOWPATH);
if (kmem_cache_debug(s) && !free_debug_processing(s, page, x, addr))
- goto out_unlock;
+ return;
do {
prior = page->freelist;
@@ -2220,7 +2219,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
* Otherwise the list_lock will synchronize with
* other processors updating the list of slabs.
*/
- spin_lock(&n->list_lock);
+ spin_lock_irqsave(&n->list_lock, flags);
}
inuse = new.inuse;
@@ -2236,7 +2235,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
*/
if (was_frozen)
stat(s, FREE_FROZEN);
- goto out_unlock;
+ return;
}
/*
@@ -2259,11 +2258,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
stat(s, FREE_ADD_PARTIAL);
}
}
-
- spin_unlock(&n->list_lock);
-
-out_unlock:
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&n->list_lock, flags);
return;
slab_empty:
@@ -2275,8 +2270,7 @@ slab_empty:
stat(s, FREE_REMOVE_PARTIAL);
}
- spin_unlock(&n->list_lock);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&n->list_lock, flags);
stat(s, FREE_SLAB);
discard_slab(s, page);
}