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>
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 7626a64..d3f4209 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1138,9 +1138,9 @@
struct kmem_cache *s = kmalloc_caches[i];
if (s) {
- int size = kmalloc_size(i);
+ unsigned int size = kmalloc_size(i);
char *n = kasprintf(GFP_NOWAIT,
- "dma-kmalloc-%d", size);
+ "dma-kmalloc-%u", size);
BUG_ON(!n);
kmalloc_dma_caches[i] = create_kmalloc_cache(n,