mm/page_idle.c: constify attribute_group structures
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Wed, 6 Sep 2017 23:21:59 +0000 (16:21 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 7 Sep 2017 00:27:27 +0000 (17:27 -0700)
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/1501157221-3832-1-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>
mm/page_idle.c

index 1b0f48c62316b3ebf1e09cc7b0a16f413db7e9ae..4bd03a8d809e9ab2d4044955525ef6c1d28d2f08 100644 (file)
@@ -204,7 +204,7 @@ static struct bin_attribute *page_idle_bin_attrs[] = {
        NULL,
 };
 
-static struct attribute_group page_idle_attr_group = {
+static const struct attribute_group page_idle_attr_group = {
        .bin_attrs = page_idle_bin_attrs,
        .name = "page_idle",
 };