From e48333b660d57898ad6240570084ffa734f64368 Mon Sep 17 00:00:00 2001
From: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Date: Wed, 24 Feb 2021 12:03:05 -0800
Subject: [PATCH] mm/swap_state: constify static struct attribute_group

The only usage of swap_attr_group is to pass its address to
sysfs_create_group() which takes a pointer to const attribute_group.  Make
it const to allow the compiler to put it in read-only memory.

Link: https://lkml.kernel.org/r/20210201233254.91809-1-rikard.falkeborn@gmail.com
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Amy Parker <enbyamy@gmail.com>
Acked-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/swap_state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 751c1ef2fe0e..3507c82b2ef1 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -927,7 +927,7 @@ static struct attribute *swap_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group swap_attr_group = {
+static const struct attribute_group swap_attr_group = {
 	.attrs = swap_attrs,
 };