linux-kernel - [PATCH 08/16] mm/huge_memory: use helper macro __ATTR

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Message-ID: <20220622170627.19786-9-linmiaohe@huawei.com>
Date:   Thu, 23 Jun 2022 01:06:19 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <shy828301@...il.com>, <willy@...radead.org>, <zokeefe@...gle.com>,
        <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH 08/16] mm/huge_memory: use helper macro __ATTR_RW

Use helper macro __ATTR_RW to define use_zero_page_attr, defrag_attr and
enabled_attr to make code more clear. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/huge_memory.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7cfa003b1789..b42c8fa51e46 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -273,8 +273,8 @@ static ssize_t enabled_store(struct kobject *kobj,
 	}
 	return ret;
 }
-static struct kobj_attribute enabled_attr =
-	__ATTR(enabled, 0644, enabled_show, enabled_store);
+
+static struct kobj_attribute enabled_attr = __ATTR_RW(enabled);
 
 ssize_t single_hugepage_flag_show(struct kobject *kobj,
 				  struct kobj_attribute *attr, char *buf,
@@ -363,8 +363,7 @@ static ssize_t defrag_store(struct kobject *kobj,
 
 	return count;
 }
-static struct kobj_attribute defrag_attr =
-	__ATTR(defrag, 0644, defrag_show, defrag_store);
+static struct kobj_attribute defrag_attr = __ATTR_RW(defrag);
 
 static ssize_t use_zero_page_show(struct kobject *kobj,
 				  struct kobj_attribute *attr, char *buf)
@@ -378,8 +377,7 @@ static ssize_t use_zero_page_store(struct kobject *kobj,
 	return single_hugepage_flag_store(kobj, attr, buf, count,
 				 TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG);
 }
-static struct kobj_attribute use_zero_page_attr =
-	__ATTR(use_zero_page, 0644, use_zero_page_show, use_zero_page_store);
+static struct kobj_attribute use_zero_page_attr = __ATTR_RW(use_zero_page);
 
 static ssize_t hpage_pmd_size_show(struct kobject *kobj,
 				   struct kobj_attribute *attr, char *buf)
-- 
2.23.0