From 302d55d51d04ab92f8b3f6a89d3424299e3efdf7 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Thu, 5 Apr 2018 16:21:46 -0700
Subject: [PATCH] slab: use 32-bit arithmetic in freelist_randomize()
SLAB doesn't support 4GB+ of objects per slab, therefore randomization
doesn't need size_t.
Link: http://lkml.kernel.org/r/20180305200730.15812-25-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>
---
mm/slab_common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 01224cb900808..e2e2485b34964 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1186,10 +1186,10 @@ EXPORT_SYMBOL(kmalloc_order_trace);
#ifdef CONFIG_SLAB_FREELIST_RANDOM
/* Randomize a generic freelist */
static void freelist_randomize(struct rnd_state *state, unsigned int *list,
- size_t count)
+ unsigned int count)
{
- size_t i;
unsigned int rand;
+ unsigned int i;
for (i = 0; i < count; i++)
list[i] = i;
--
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