linux-kernel - [PATCH] mm/hugetlb: use helper macro __ATTR

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Date:   Tue, 22 Feb 2022 19:27:31 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <mike.kravetz@...cle.com>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/hugetlb: use helper macro __ATTR_RW

Use helper macro __ATTR_RW to define HSTATE_ATTR to make code more
clear. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/hugetlb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1f0cca036f7f..c0405f3c8413 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3498,8 +3498,7 @@ static int demote_pool_huge_page(struct hstate *h, nodemask_t *nodes_allowed)
 	static struct kobj_attribute _name##_attr = __ATTR_WO(_name)
 
 #define HSTATE_ATTR(_name) \
-	static struct kobj_attribute _name##_attr = \
-		__ATTR(_name, 0644, _name##_show, _name##_store)
+	static struct kobj_attribute _name##_attr = __ATTR_RW(_name)
 
 static struct kobject *hugepages_kobj;
 static struct kobject *hstate_kobjs[HUGE_MAX_HSTATE];
-- 
2.23.0