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-rw-r--r--mm/slab_common.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 9c21725..069a24e6 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -168,6 +168,7 @@ void kmem_cache_destroy(struct kmem_cache *s)
list_del(&s->list);
if (!__kmem_cache_shutdown(s)) {
+ mutex_unlock(&slab_mutex);
if (s->flags & SLAB_DESTROY_BY_RCU)
rcu_barrier();
@@ -175,12 +176,14 @@ void kmem_cache_destroy(struct kmem_cache *s)
kmem_cache_free(kmem_cache, s);
} else {
list_add(&s->list, &slab_caches);
+ mutex_unlock(&slab_mutex);
printk(KERN_ERR "kmem_cache_destroy %s: Slab cache still has objects\n",
s->name);
dump_stack();
}
+ } else {
+ mutex_unlock(&slab_mutex);
}
- mutex_unlock(&slab_mutex);
put_online_cpus();
}
EXPORT_SYMBOL(kmem_cache_destroy);