linux-kernel - [PATCH 4/5] mm: huge_memory: constify attribute

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Message-Id: <1501157240-3876-1-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 27 Jul 2017 17:37:20 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
        minchan@...nel.org, aneesh.kumar@...ux.vnet.ibm.com,
        ying.huang@...el.com, aaron.lu@...el.com,
        mgorman@...hsingularity.net, willy@...ux.intel.com,
        rientjes@...gle.com, toshi.kani@....com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] mm: huge_memory: 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.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 mm/huge_memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 86975de..36d86c3 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -327,7 +327,7 @@ static ssize_t debug_cow_store(struct kobject *kobj,
 	NULL,
 };
 
-static struct attribute_group hugepage_attr_group = {
+static const struct attribute_group hugepage_attr_group = {
 	.attrs = hugepage_attr,
 };
 
-- 
1.9.1