mm/ksm.c: constify attribute_group structures

attribute_group are not supposed to change at runtime.  All functions
working with attribute_group provided by <linux/sysfs.h> work with const
attribute_group.  So mark the non-const structs as const.

Link: http://lkml.kernel.org/r/1501157167-3706-2-git-send-email-arvind.yadav.cs@gmail.com
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/ksm.c b/mm/ksm.c
index db20f8436bc3c15bf05f86ccec5e7b1f80d807cc..15dd7415f7b3f1a1b418db0e38b074771d2bec2f 100644 (file)
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -3043,7 +3043,7 @@ static struct attribute *ksm_attrs[] = {
        NULL,
 };
 
-static struct attribute_group ksm_attr_group = {
+static const struct attribute_group ksm_attr_group = {
        .attrs = ksm_attrs,
        .name = "ksm",
 };