summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2018-04-06 02:21:10 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-06 07:36:23 +0300
commite5d9998f3e09359b372a037a6ac55ba235d95d57 (patch)
treea73f7aaf5f49a6a55f2e81cf334faf0d66dd0354
parent52ee6d74aa23a3c5d4472edf167f2bb47776a733 (diff)
downloadlinux-e5d9998f3e09359b372a037a6ac55ba235d95d57.tar.xz
slub: make ->cpu_partial unsigned int
/* * cpu_partial determined the maximum number of objects * kept in the per cpu partial lists of a processor. */ Can't be negative. Link: http://lkml.kernel.org/r/20180305200730.15812-15-adobriyan@gmail.com Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Christoph 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/slub_def.h3
-rw-r--r--mm/slub.c6
2 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 2287b800474f..d2cc1391f17a 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -88,7 +88,8 @@ struct kmem_cache {
int object_size; /* The size of an object without meta data */
int offset; /* Free pointer offset. */
#ifdef CONFIG_SLUB_CPU_PARTIAL
- int cpu_partial; /* Number of per cpu partial objects to keep around */
+ /* Number of per cpu partial objects to keep around */
+ unsigned int cpu_partial;
#endif
struct kmem_cache_order_objects oo;
diff --git a/mm/slub.c b/mm/slub.c
index 6d08bc66f0e7..2e72f15a03ea 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1812,7 +1812,7 @@ static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,
{
struct page *page, *page2;
void *object = NULL;
- int available = 0;
+ unsigned int available = 0;
int objects;
/*
@@ -4962,10 +4962,10 @@ static ssize_t cpu_partial_show(struct kmem_cache *s, char *buf)
static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,
size_t length)
{
- unsigned long objects;
+ unsigned int objects;
int err;
- err = kstrtoul(buf, 10, &objects);
+ err = kstrtouint(buf, 10, &objects);
if (err)
return err;
if (objects && !kmem_cache_has_cpu_partial(s))