mm: shmem: use helper macro __ATTR_RW

MiaoheLin · torvalds · commit 4bfa8ada803a · 2022-03-22T15:57:02.000-07:00
Use helper macro __ATTR_RW to define shmem_enabled_attr to make code more clear. Minor readability improvement. Link: https://lkml.kernel.org/r/20220312082252.55586-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/shmem.c b/mm/shmem.c
@@ -3965,8 +3965,7 @@ 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 */

Original file line number	Diff line number	Diff line change
`@@ -3965,8 +3965,7 @@ static ssize_t shmem_enabled_store(struct kobject *kobj,`
`3965`	`3965`	`return count;`
`3966`	`3966`	`}`
`3967`	`3967`
`3968`		`-struct kobj_attribute shmem_enabled_attr =`
`3969`		`- __ATTR(shmem_enabled, 0644, shmem_enabled_show, shmem_enabled_store);`
	`3968`	`+struct kobj_attribute shmem_enabled_attr = __ATTR_RW(shmem_enabled);`
`3970`	`3969`	`#endif /* CONFIG_TRANSPARENT_HUGEPAGE && CONFIG_SYSFS */`
`3971`	`3970`
`3972`	`3971`	`#else /* !CONFIG_SHMEM */`