slab, slub, slob: add slab_flags_t

Add sparse-checked slab_flags_t for struct kmem_cache::flags (SLAB_POISON,
etc).

SLAB is bloated temporarily by switching to "unsigned long", but only
temporarily.

Link: http://lkml.kernel.org/r/20171021100225.GA22428@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 6b801186baa5..25aeaa7328ba 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -660,7 +660,7 @@ static struct ecryptfs_cache_info {
         struct kmem_cache **cache;
         const char *name;
         size_t size;
-        unsigned long flags;
+        slab_flags_t flags;
         void (*ctor)(void *obj);
 } ecryptfs_cache_infos[] = {
         {