diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 500eb777faca..7972ec4b9ca4 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -984,8 +984,13 @@ size_t __ksize(const void *object) folio = virt_to_folio(object); - if (unlikely(!folio_test_slab(folio))) + if (unlikely(!folio_test_slab(folio))) { + if (WARN_ON(folio_size(folio) <= KMALLOC_MAX_CACHE_SIZE)) + return 0; + if (WARN_ON(object != folio_address(folio))) + return 0; return folio_size(folio); + } return slab_ksize(folio_slab(folio)->slab_cache); } |