Commit 8d3a7d79 authored by Miaohe Lin's avatar Miaohe Lin Committed by Andrew Morton
Browse files

memory tier: use helper macro __ATTR_RW() 

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: default avatarMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 4ae6944d

mm/memory-tiers.c

+6 −7
Original line number Diff line number Diff line
@@ -672,14 +672,14 @@ bool numa_demotion_enabled = false; 


#ifdef CONFIG_MIGRATION

#ifdef CONFIG_SYSFS

static ssize_t numa_demotion_enabled_show(struct kobject *kobj,

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,

static ssize_t demotion_enabled_store(struct kobject *kobj,

				      struct kobj_attribute *attr,

				      const char *buf, size_t count)

{
@@ -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,