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authorAlexey Dobriyan <adobriyan@gmail.com>2018-04-05 16:21:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-05 21:36:23 -0700
commit3a3791ec2ecd5db8d903b66faa340b0dfa72e64b (patch)
tree4036be0bdd1a1cd682be53bc72fe7821859aed19
parentd66e52d1e82b1adfab541f1aad09526ebf67842d (diff)
slub: make ->align unsigned int
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>
-rw-r--r--include/linux/slub_def.h2
-rw-r--r--mm/slub.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 2b4417aa15d8..2a0eabeff78f 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -99,7 +99,7 @@ struct kmem_cache {
int refcount; /* Refcount for slab cache destroy */
void (*ctor)(void *);
int inuse; /* Offset to metadata */
- int align; /* Alignment */
+ unsigned int align; /* Alignment */
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!) */
diff --git a/mm/slub.c b/mm/slub.c
index e38221c13b07..7b081b4d2760 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4896,7 +4896,7 @@ SLAB_ATTR_RO(slab_size);
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);