mm/rmap.c:851:9-10: WARNING: return of 0/1 in function 'invalid_mkclean_vma' with return type bool

mm/rmap.c:851:9-10: WARNING: return of 0/1 in function 'invalid_mkclean_vma' with return type bool

[kbuild test robot]

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tree:   git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0dc3fd0249a295863900984e02dd4bb89204205b
commit: 9853a407b97d8d066b5a865173a4859a3e69fd8a mm/rmap: use rmap_walk() in page_mkclean()
date:   2 days ago


coccinelle warnings: (new ones prefixed by >>)

>> mm/rmap.c:851:9-10: WARNING: return of 0/1 in function 'invalid_mkclean_vma' with return type bool

Please consider folding the attached diff :-)

---
0-DAY kernel build testing backend              Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation

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From: Fengguang Wu <fengguang.wu@intel.com>
Subject: [PATCH] mm/rmap: fix coccinelle warnings
TO: Linus Torvalds <torvalds@linux-foundation.org>
CC: Joonsoo Kim <iamjoonsoo.kim@lge.com>
CC: linux-kernel@vger.kernel.org 

mm/rmap.c:851:9-10: WARNING: return of 0/1 in function 'invalid_mkclean_vma' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: coccinelle/misc/boolreturn.cocci

CC: Joonsoo Kim <iamjoonsoo.kim@lge.com>
CC: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

 cocci-output-10204-4a1ebb-rmap.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -848,9 +848,9 @@ out:
 static bool invalid_mkclean_vma(struct vm_area_struct *vma, void *arg)
 {
 	if (vma->vm_flags & VM_SHARED)
-		return 0;
+		return false;
 
-	return 1;
+	return true;
 }
 
 int page_mkclean(struct page *page)