diff options
Diffstat (limited to 'mm/slub.c')
-rw-r--r-- | mm/slub.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/slub.c b/mm/slub.c index 5df8c8302784..5fc052a4f38f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5167,10 +5167,9 @@ static int calculate_sizes(struct kmem_cache *s) */ s->inuse = size; - if (slub_debug_orig_size(s) || - (flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON)) || - ((flags & SLAB_RED_ZONE) && s->object_size < sizeof(void *)) || - s->ctor) { + if ((flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON)) || s->ctor || + ((flags & SLAB_RED_ZONE) && + (s->object_size < sizeof(void *) || slub_debug_orig_size(s)))) { /* * Relocate free pointer after the object if it is not * permitted to overwrite the first word of the object on @@ -5178,7 +5177,9 @@ static int calculate_sizes(struct kmem_cache *s) * * This is the case if we do RCU, have a constructor or * destructor, are poisoning the objects, or are - * redzoning an object smaller than sizeof(void *). + * redzoning an object smaller than sizeof(void *) or are + * redzoning an object with slub_debug_orig_size() enabled, + * in which case the right redzone may be extended. * * The assumption that s->offset >= s->inuse means free * pointer is outside of the object is used in the |