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

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Date:   Mon, 21 Feb 2022 19:58:09 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/ksm: use helper macro __ATTR_RW

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

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

diff --git a/mm/ksm.c b/mm/ksm.c
index e246d650266a..ab52dbf4c5d5 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2819,8 +2819,7 @@ static void wait_while_offlining(void)
 #define KSM_ATTR_RO(_name) \
 	static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
 #define KSM_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 ssize_t sleep_millisecs_show(struct kobject *kobj,
 				    struct kobj_attribute *attr, char *buf)
-- 
2.23.0