linux-kernel - [PATCH 02/15] mm/swap: use helper macro __ATTR

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Date:   Mon, 9 May 2022 21:14:03 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <willy@...radead.org>, <vbabka@...e.cz>, <dhowells@...hat.com>,
        <neilb@...e.de>, <apopple@...dia.com>, <david@...hat.com>,
        <surenb@...gle.com>, <peterx@...hat.com>,
        <naoya.horiguchi@....com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH 02/15] mm/swap: use helper macro __ATTR_RW

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

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/swap_state.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 240b39ed5922..9f99d8137ffd 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -881,9 +881,7 @@ static ssize_t vma_ra_enabled_store(struct kobject *kobj,
 
 	return count;
 }
-static struct kobj_attribute vma_ra_enabled_attr =
-	__ATTR(vma_ra_enabled, 0644, vma_ra_enabled_show,
-	       vma_ra_enabled_store);
+static struct kobj_attribute vma_ra_enabled_attr = __ATTR_RW(vma_ra_enabled);
 
 static struct attribute *swap_attrs[] = {
 	&vma_ra_enabled_attr.attr,
-- 
2.23.0