linux-kernel - [PATCH] mm/mlock.c: drop unneeded initialization in munlock_vma_pages

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Message-Id: <1447114962-31834-1-git-send-email-klimov.linux@gmail.com>
Date:	Tue, 10 Nov 2015 00:22:42 +0000
From:	Alexey Klimov <klimov.linux@...il.com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
	klimov.linux@...il.com, emunson@...mai.com
Subject: [PATCH] mm/mlock.c: drop unneeded initialization in munlock_vma_pages_range()

Before usage page pointer initialized by NULL is reinitialized by
follow_page_mask(). Drop useless init of page pointer in the beginning
of loop.

Signed-off-by: Alexey Klimov <klimov.linux@...il.com>
---
 mm/mlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mlock.c b/mm/mlock.c
index 339d9e0..9cb87cb 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -425,7 +425,7 @@ void munlock_vma_pages_range(struct vm_area_struct *vma,
 	vma->vm_flags &= VM_LOCKED_CLEAR_MASK;
 
 	while (start < end) {
-		struct page *page = NULL;
+		struct page *page;
 		unsigned int page_mask;
 		unsigned long page_increm;
 		struct pagevec pvec;
-- 
2.5.0

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