linux-kernel - [PATCH linux-next ] mm: vmscan: use sysfs

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Date:   Thu, 24 Nov 2022 19:29:01 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <akpm@...ux-foundation.org>
Cc:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <xu.panda@....com.cn>, <yang.yang29@....com.cn>
Subject: [PATCH linux-next ] mm: vmscan: use sysfs_emit() to instead of scnprintf()

From: Xu Panda <xu.panda@....com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: Xu Panda <xu.panda@....com.cn>
Signed-off-by: Yang Yang <yang.yang29@....com>
---
 mm/vmscan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1147034c86a2..ac494806ee51 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -5404,7 +5404,7 @@ static ssize_t show_enabled(struct kobject *kobj, struct kobj_attribute *attr, c
 	if (IS_ENABLED(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG) && get_cap(LRU_GEN_NONLEAF_YOUNG))
 		caps |= BIT(LRU_GEN_NONLEAF_YOUNG);

-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", caps);
+	return sysfs_emit(buf, "0x%04x\n", caps);
 }

 /* see Documentation/admin-guide/mm/multigen_lru.rst for details */
-- 
2.15.2