From 969e8d7e47f93ef693028667480558de8f70523f Mon Sep 17 00:00:00 2001
From: Chen Gang <chengang@emindsoft.com.cn>
Date: Fri, 1 Apr 2016 14:31:17 -0700
Subject: [PATCH] include/linux/huge_mm.h: return NULL instead of false for
pmd_trans_huge_lock()
The return value of pmd_trans_huge_lock() is a pointer, not a boolean
value, so use NULL instead of false as the return value.
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/huge_mm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 79b0ef6aaa143..7008623e24b19 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -127,7 +127,7 @@ static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,
if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
return __pmd_trans_huge_lock(pmd, vma);
else
- return false;
+ return NULL;
}
static inline int hpage_nr_pages(struct page *page)
{
--
2.30.2