1 files changed, 12 insertions, 1 deletions

diff --git a/mm/slub.c b/mm/slub.c
index efe2cffc29b0..ba2ca53f6c3a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3153,8 +3153,19 @@ int __kmem_cache_shutdown(struct kmem_cache *s)
 {
         int rc = kmem_cache_close(s);
 
-        if (!rc)
+        if (!rc) {
+                /*
+                 * We do the same lock strategy around sysfs_slab_add, see
+                 * __kmem_cache_create. Because this is pretty much the last
+                 * operation we do and the lock will be released shortly after
+                 * that in slab_common.c, we could just move sysfs_slab_remove
+                 * to a later point in common code. We should do that when we
+                 * have a common sysfs framework for all allocators.
+                 */
+                mutex_unlock(&slab_mutex);
                 sysfs_slab_remove(s);
+                mutex_lock(&slab_mutex);
+        }
 
         return rc;
 }