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mm/compaction: use DEVICE_ATTR_WO macro

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Use DEVICE_ATTR_WO helper instead of plain DEVICE_ATTR, which makes the
code a bit shorter and easier to read.

Link: https://lkml.kernel.org/r/20210523064521.32912-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
YueHaibing 2021-06-30 18:50:48 -07:00 committed by Linus Torvalds
parent 2a03085ce8
commit 17adb230d6
1 changed files with 4 additions and 4 deletions
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8
mm/compaction.c
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@ -2722,9 +2722,9 @@ int sysctl_compaction_handler(struct ctl_table *table, int write,
}
#if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
static ssize_t sysfs_compact_node(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t compact_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int nid = dev->id;
@ -2737,7 +2737,7 @@ static ssize_t sysfs_compact_node(struct device *dev,
return count;
}
static DEVICE_ATTR(compact, 0200, NULL, sysfs_compact_node);
static DEVICE_ATTR_WO(compact);
int compaction_register_node(struct node *node)
{