diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 5fb753da6cf0..b705be7faa48 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -109,6 +109,13 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align if (!kmem_cache_sanity_check(name, size) == 0) goto out_locked; + /* + * Some allocators will constraint the set of valid flags to a subset + * of all flags. We expect them to define CACHE_CREATE_MASK in this + * case, and we'll just provide them with a sanitized version of the + * passed flags. + */ + flags &= CACHE_CREATE_MASK; s = __kmem_cache_alias(name, size, align, flags, ctor); if (s) |