slub: make ->align unsigned int

Kmem cache alignment can't be negative. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Alexey Dobriyan <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[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]>
olifre · Apr 6, 2018 · 3a3791e · 3a3791e
1 parent d66e52d
commit 3a3791e
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git 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
@@ -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);