linux-kernel - [PATCH 1/5] mm/hugetlb: is_vm_hugetlb

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Date:	Wed, 23 Mar 2016 10:26:05 +0800
From:	Yaowei Bai <baiyaowei@...s.chinamobile.com>
To:	akpm@...ux-foundation.org
Cc:	n-horiguchi@...jp.nec.com, kirill.shutemov@...ux.intel.com,
	rientjes@...gle.com, iamjoonsoo.kim@....com, hannes@...xchg.org,
	vdavydov@...tuozzo.com, kuleshovmail@...il.com, vbabka@...e.cz,
	mgorman@...hsingularity.net, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, baiyaowei@...s.chinamobile.com
Subject: [PATCH 1/5] mm/hugetlb: is_vm_hugetlb_page can be boolean

This patch makes is_vm_hugetlb_page return bool to improve
readability due to this particular function only using either
one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>
---
 include/linux/hugetlb_inline.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/hugetlb_inline.h b/include/linux/hugetlb_inline.h
index 2bb681f..a4e7ca0 100644
--- a/include/linux/hugetlb_inline.h
+++ b/include/linux/hugetlb_inline.h
@@ -5,16 +5,16 @@
 
 #include <linux/mm.h>
 
-static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
+static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma)
 {
 	return !!(vma->vm_flags & VM_HUGETLB);
 }
 
 #else
 
-static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
+static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma)
 {
-	return 0;
+	return false;
 }
 
 #endif
-- 
1.9.1