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slub: make ->align unsigned int

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Kmem cache alignment can't be negative.

Link: http://lkml.kernel.org/r/20180305200730.15812-13-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>
This commit is contained in:
Alexey Dobriyan 2018-04-05 16:21:02 -07:00 committed by Linus Torvalds
parent d66e52d1e8
commit 3a3791ec2e
2 changed files with 2 additions and 2 deletions
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2
include/linux/slub_def.h
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@ -99,7 +99,7 @@ struct kmem_cache {
int refcount; /* Refcount for slab cache destroy */ int refcount; /* Refcount for slab cache destroy */
void (*ctor)(void *); void (*ctor)(void *);
int inuse; /* Offset to metadata */ int inuse; /* Offset to metadata */
int align; /* Alignment */ unsigned int align; /* Alignment */
unsigned 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 */ unsigned int red_left_pad; /* Left redzone padding size */
const char *name; /* Name (only for display!) */ const char *name; /* Name (only for display!) */

2
mm/slub.c
View File

@ -4896,7 +4896,7 @@ SLAB_ATTR_RO(slab_size);
static ssize_t align_show(struct kmem_cache *s, char *buf) static ssize_t align_show(struct kmem_cache *s, char *buf)
{ {
return sprintf(buf, "%d\n", s->align); return sprintf(buf, "%u\n", s->align);
} }
SLAB_ATTR_RO(align); SLAB_ATTR_RO(align);