[PATCH linux-next ] mm: vmscan: use sysfs_emit() to instead of scnprintf()

From: yang.yang29
Date: Thu Nov 24 2022 - 06:29:13 EST


From: Xu Panda <xu.panda@xxxxxxxxxx>

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

Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxx>
---
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