Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d66e52d1 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

slub: make ->reserved unsigned int 

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

Link: http://lkml.kernel.org/r/20180305200730.15812-12-adobriyan@gmail.com


Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Acked-by: default avatarChristoph 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2ca6d39b

include/linux/slub_def.h

+1 −1
Original line number Diff line number Diff line
@@ -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 */

mm/slub.c

+1 −1
Original line number Diff line number Diff line
@@ -5094,7 +5094,7 @@ 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);