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>

1 files changed, 2 insertions, 1 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;