From: Alexey Dobriyan Date: Thu, 5 Apr 2018 23:21:10 +0000 (-0700) Subject: slub: make ->cpu_partial unsigned int X-Git-Tag: v4.17-rc1~99^2~70 X-Git-Url: https://git.codelabs.ch/?p=muen%2Flinux.git;a=commitdiff_plain;h=e5d9998f3e09359b372a037a6ac55ba235d95d57;ds=sidebyside 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 Acked-by: Christoph Lameter Cc: Pekka Enberg Cc: David Rientjes Cc: Joonsoo Kim Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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))