[PATCH 11/23] slub: make ->reserved unsigned int

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->reserved is either 0 or sizeof(struct rcu_head), can't be negative.

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
 include/linux/slub_def.h | 2 +-
 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 a7019a4c713d..09ca236ce102 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 45d8f0cbfb28..2ca7463c72c2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5069,7 +5069,7 @@ 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);
 
-- 
2.13.6

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