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 <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexey Dobriyan 2017-11-15 17:32:18 -08:00 • committed by Linus Torvalds
commit d50112edde
15 changed files with 97 additions and 81 deletions

View file

@ -337,7 +337,7 @@ static size_t optimal_redzone(size_t object_size)
}
void kasan_cache_create(struct kmem_cache *cache, size_t *size,
unsigned long *flags)
slab_flags_t *flags)
{
int redzone_adjust;
int orig_size = *size;