[PATCH v2 08/16] mm/huge_memory: use helper macro __ATTR_RW

From: Miaohe Lin
Date: Tue Jun 28 2022 - 09:30:55 EST


Use helper macro __ATTR_RW to define use_zero_page_attr, defrag_attr and
enabled_attr to make code more clear. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
---
mm/huge_memory.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1cb51eb5a60c..7570e7681f95 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -276,8 +276,8 @@ static ssize_t enabled_store(struct kobject *kobj,
}
return ret;
}
-static struct kobj_attribute enabled_attr =
- __ATTR(enabled, 0644, enabled_show, enabled_store);
+
+static struct kobj_attribute enabled_attr = __ATTR_RW(enabled);

ssize_t single_hugepage_flag_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf,
@@ -366,8 +366,7 @@ static ssize_t defrag_store(struct kobject *kobj,

return count;
}
-static struct kobj_attribute defrag_attr =
- __ATTR(defrag, 0644, defrag_show, defrag_store);
+static struct kobj_attribute defrag_attr = __ATTR_RW(defrag);

static ssize_t use_zero_page_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
@@ -381,8 +380,7 @@ static ssize_t use_zero_page_store(struct kobject *kobj,
return single_hugepage_flag_store(kobj, attr, buf, count,
TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG);
}
-static struct kobj_attribute use_zero_page_attr =
- __ATTR(use_zero_page, 0644, use_zero_page_show, use_zero_page_store);
+static struct kobj_attribute use_zero_page_attr = __ATTR_RW(use_zero_page);

static ssize_t hpage_pmd_size_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
--
2.23.0