[053/173] mm/swap_state: constify static struct attribute_group

Commit Message

Andrew Morton Feb. 24, 2021, 8:03 p.m. UTC

From: Rikard Falkeborn <[e-mail]>
Subject: 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/[e-mail]
Signed-off-by: Rikard Falkeborn <[e-mail]>
Reviewed-by: Amy Parker <[e-mail]>
Acked-by: "Huang, Ying" <[e-mail]>
Reviewed-by: Miaohe Lin <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/swap_state.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

--- a/mm/swap_state.c~mm-swap_state-constify-static-struct-attribute_group
+++ a/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,
 };