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mm/hugetlb: use helper macro __ATTR_RW

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Use helper macro __ATTR_RW to define HSTATE_ATTR to make code more clear.
Minor readability improvement.

Link: https://lkml.kernel.org/r/20220222112731.33479-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-03-22 14:45:23 -07:00 committed by Linus Torvalds
parent f9317f77a6
commit 98bc26ac77
1 changed files with 1 additions and 2 deletions
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3
mm/hugetlb.c
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@ -3499,8 +3499,7 @@ static int demote_pool_huge_page(struct hstate *h, nodemask_t *nodes_allowed)
static struct kobj_attribute _name##_attr = __ATTR_WO(_name)
#define HSTATE_ATTR(_name) \
static struct kobj_attribute _name##_attr = \
__ATTR(_name, 0644, _name##_show, _name##_store)
static struct kobj_attribute _name##_attr = __ATTR_RW(_name)
static struct kobject *hugepages_kobj;
static struct kobject *hstate_kobjs[HUGE_MAX_HSTATE];