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authorAlexey Dobriyan <adobriyan@gmail.com>2018-04-05 16:20:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-05 21:36:23 -0700
commit0be70327ec8cf6dd6847cbd8b75ca51be864a6ea (patch)
treed0e66c101f169a234ce233806d376ed5da400a18 /include/linux/slab.h
parentslab: make kmalloc_index() return "unsigned int" (diff)
downloadlinux-dev-0be70327ec8cf6dd6847cbd8b75ca51be864a6ea.tar.xz
linux-dev-0be70327ec8cf6dd6847cbd8b75ca51be864a6ea.zip
slab: make kmalloc_size() return "unsigned int"
kmalloc_size() derives size of kmalloc cache from internal index, which can't be negative. Propagate unsignedness a bit. Link: http://lkml.kernel.org/r/20180305200730.15812-3-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>
Diffstat (limited to 'include/linux/slab.h')
-rw-r--r--include/linux/slab.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 296f33a512eb..ad157fbf3886 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -522,11 +522,11 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
* return size or 0 if a kmalloc cache for that
* size does not exist
*/
-static __always_inline int kmalloc_size(int n)
+static __always_inline unsigned int kmalloc_size(unsigned int n)
{
#ifndef CONFIG_SLOB
if (n > 2)
- return 1 << n;
+ return 1U << n;
if (n == 1 && KMALLOC_MIN_SIZE <= 32)
return 96;