mm/huge_memory.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/1501157240-3876-1-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/huge_memory.c b/mm/huge_memory.c
index 3644ff91843490a282f25f44fab8d3ed1d632433..7f0b3f6db9238adf2efbf35db1e05f0bd087af12 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -328,7 +328,7 @@ static struct attribute *hugepage_attr[] = {
        NULL,
 };
 
-static struct attribute_group hugepage_attr_group = {
+static const struct attribute_group hugepage_attr_group = {
        .attrs = hugepage_attr,
 };