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memory tier: use helper macro __ATTR_RW()

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Use helper macro __ATTR_RW to define numa demotion attributes.  Minor
readability improvement.

Link: https://lkml.kernel.org/r/20230715035111.2656784-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2023-07-15 11:51:11 +08:00 committed by Andrew Morton
parent 4ae6944d15
commit 8d3a7d797c
1 changed files with 6 additions and 7 deletions
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13
mm/memory-tiers.c
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@ -672,16 +672,16 @@ bool numa_demotion_enabled = false;
#ifdef CONFIG_MIGRATION
#ifdef CONFIG_SYSFS
static ssize_t numa_demotion_enabled_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
static ssize_t demotion_enabled_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sysfs_emit(buf, "%s\n",
numa_demotion_enabled ? "true" : "false");
}
static ssize_t numa_demotion_enabled_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
static ssize_t demotion_enabled_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
ssize_t ret;
@ -693,8 +693,7 @@ static ssize_t numa_demotion_enabled_store(struct kobject *kobj,
}
static struct kobj_attribute numa_demotion_enabled_attr =
__ATTR(demotion_enabled, 0644, numa_demotion_enabled_show,
numa_demotion_enabled_store);
__ATTR_RW(demotion_enabled);
static struct attribute *numa_attrs[] = {
&numa_demotion_enabled_attr.attr,