diff options
| -rw-r--r-- | mm/slub.c | 13 |
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; } |