Commit 52ee6d74 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

slub: make ->inuse unsigned int

->inuse is "the number of bytes in actual use by the object",
can't be negative.

Link: http://lkml.kernel.org/r/20180305200730.15812-14-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 3a3791ec
......@@ -98,7 +98,7 @@ struct kmem_cache {
gfp_t allocflags; /* gfp flags to use on each alloc */
int refcount; /* Refcount for slab cache destroy */
void (*ctor)(void *);
int inuse; /* Offset to metadata */
unsigned int inuse; /* Offset to metadata */
unsigned int align; /* Alignment */
unsigned int reserved; /* Reserved bytes at the end of slabs */
unsigned int red_left_pad; /* Left redzone padding size */
......
......@@ -4256,12 +4256,11 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
* the complete object on kzalloc.
*/
s->object_size = max(s->object_size, (int)size);
s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *)));
s->inuse = max(s->inuse, ALIGN(size, sizeof(void *)));
for_each_memcg_cache(c, s) {
c->object_size = s->object_size;
c->inuse = max_t(int, c->inuse,
ALIGN(size, sizeof(void *)));
c->inuse = max(c->inuse, ALIGN(size, sizeof(void *)));
}
if (sysfs_slab_alias(s, name)) {
......
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