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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-04-06 02:21:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-04 03:00:55 +0300 |
| commit | 1ddc0781c0ce451805b4ee6a5b7521bf9c49d5aa (patch) | |
| tree | 868e0ec87fcfb1c6f0b3ca2e1d5331848c878d12 | |
| parent | e75c01761a11c445246bb59e15b0d2dea428f6a5 (diff) | |
| download | linux-1ddc0781c0ce451805b4ee6a5b7521bf9c49d5aa.tar.xz | |
slub: make ->cpu_partial unsigned int
commit e5d9998f3e09359b372a037a6ac55ba235d95d57 upstream.
/*
* 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>
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/slub_def.h | 3 | ||||
| -rw-r--r-- | mm/slub.c | 6 |
2 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 2038ab531616..f8ced87a2efe 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 10e54c4acd19..220d42e592ef 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1807,7 +1807,7 @@ 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; /* @@ -4942,10 +4942,10 @@ 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)) |