diff options
author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-04-05 16:20:58 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 21:36:23 -0700 |
commit | d66e52d1e82b1adfab541f1aad09526ebf67842d (patch) | |
tree | 32b30bbb578637535718c7314813d19919d08aac | |
parent | 2ca6d39b31022bb9e1dda77109e292517f701261 (diff) |
slub: make ->reserved unsigned int
->reserved is either 0 or sizeof(struct rcu_head), can't be negative.
Link: http://lkml.kernel.org/r/20180305200730.15812-12-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
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>
-rw-r--r-- | include/linux/slub_def.h | 2 | ||||
-rw-r--r-- | mm/slub.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 9f59fc16444b..2b4417aa15d8 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -100,7 +100,7 @@ struct kmem_cache { void (*ctor)(void *); int inuse; /* Offset to metadata */ int align; /* Alignment */ - int reserved; /* Reserved bytes at the end of slabs */ + unsigned int reserved; /* Reserved bytes at the end of slabs */ unsigned int red_left_pad; /* Left redzone padding size */ const char *name; /* Name (only for display!) */ struct list_head list; /* List of slab caches */ diff --git a/mm/slub.c b/mm/slub.c index 97dd2db30acb..e38221c13b07 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5094,7 +5094,7 @@ SLAB_ATTR_RO(destroy_by_rcu); static ssize_t reserved_show(struct kmem_cache *s, char *buf) { - return sprintf(buf, "%d\n", s->reserved); + return sprintf(buf, "%u\n", s->reserved); } SLAB_ATTR_RO(reserved); |