->inuse is "the number of bytes in actual use by the object",
can't be negative.
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
include/linux/slub_def.h | 2 +-
mm/slub.c | 5 ++---
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index ff2d3f513d15..2383c46c88ce 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -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 */
diff --git a/mm/slub.c b/mm/slub.c
index ddfeb1d5c512..f5b86d86be9a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4237,12 +4237,11 @@ __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)) {
--
2.13.6
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