[PATCH] mm: shmem: use helper macro __ATTR_RW

[Miaohe Lin]

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

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/shmem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 659bd599d731..01fd227b6947 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3967,8 +3967,7 @@ static ssize_t shmem_enabled_store(struct kobject *kobj,
 	return count;
 }
 
-struct kobj_attribute shmem_enabled_attr =
-	__ATTR(shmem_enabled, 0644, shmem_enabled_show, shmem_enabled_store);
+struct kobj_attribute shmem_enabled_attr = __ATTR_RW(shmem_enabled);
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE && CONFIG_SYSFS */
 
 #else /* !CONFIG_SHMEM */
-- 
2.23.0