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/[email protected] Signed-off-by: Alexey Dobriyan <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
josf · Apr 6, 2018 · 302d55d · 302d55d
1 parent 870b1fb
commit 302d55d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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;