mm/hugetlb.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/[email protected] Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
josf · Sep 7, 2017 · 67e5ed9 · 67e5ed9
1 parent 8aa95a2
commit 67e5ed9
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
@@ -2569,13 +2569,13 @@ static struct attribute *hstate_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group hstate_attr_group = {
+static const struct attribute_group hstate_attr_group = {
 	.attrs = hstate_attrs,
 };
 
 static int hugetlb_sysfs_add_hstate(struct hstate *h, struct kobject *parent,
 				    struct kobject **hstate_kobjs,
-				    struct attribute_group *hstate_attr_group)
+				    const struct attribute_group *hstate_attr_group)
 {
 	int retval;
 	int hi = hstate_index(h);
@@ -2633,7 +2633,7 @@ static struct attribute *per_node_hstate_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group per_node_hstate_attr_group = {
+static const struct attribute_group per_node_hstate_attr_group = {
 	.attrs = per_node_hstate_attrs,
 };