From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Thu, 5 Apr 2018 23:21:02 +0000 (-0700)
Subject: slub: make ->align unsigned int
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3a3791ec2ecd5db8d903b66faa340b0dfa72e64b;p=linux.git

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>
---

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 2b4417aa15d86..2a0eabeff78f0 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 e38221c13b073..7b081b4d2760e 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);