diff options
| -rw-r--r-- | mm/slub.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index bc949e3428c9..3098e0cf2899 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3581,6 +3581,13 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) */ s->offset = size; size += sizeof(void *); + } else if (size > sizeof(void *)) { + /* + * Store freelist pointer near middle of object to keep + * it away from the edges of the object to avoid small + * sized over/underflows from neighboring allocations. + */ + s->offset = ALIGN(size / 2, sizeof(void *)); } #ifdef CONFIG_SLUB_DEBUG |