diff options
| author | Alexey Dobriyan <[email protected]> | 2018-04-05 16:21:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-04-05 21:36:23 -0700 |
| commit | 52ee6d74aa23a3c5d4472edf167f2bb47776a733 (patch) | |
| tree | 979d631dd4629776f0786eff9f2566d7a5210b26 | |
| parent | 3a3791ec2ecd5db8d903b66faa340b0dfa72e64b (diff) | |
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/[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]>
| -rw-r--r-- | include/linux/slub_def.h | 2 | ||||
| -rw-r--r-- | 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 2a0eabeff78f..2287b800474f 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 7b081b4d2760..6d08bc66f0e7 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -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)) { |