linux-kernel - [PATCH] mm/mmap: remove unnecessary assignment

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Message-Id: <1377739424-21293-1-git-send-email-ycnian@gmail.com>
Date:	Thu, 29 Aug 2013 09:23:44 +0800
From:	Yanchuan Nian <ycnian@...il.com>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Yanchuan Nian <ycnian@...il.com>
Subject: [PATCH] mm/mmap: remove unnecessary assignment

From: Yanchuan Nian <ycnian@...il.com>

pgoff is not used after the statement "pgoff = vma->vm_pgoff;",
so the assignment is redundant.

Signed-off-by: Yanchuan Nian <ycnian@...il.com>
---
 mm/mmap.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 2664a47..e7d7231 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1508,7 +1508,6 @@ munmap_back:
 		WARN_ON_ONCE(addr != vma->vm_start);
 
 		addr = vma->vm_start;
-		pgoff = vma->vm_pgoff;
 		vm_flags = vma->vm_flags;
 	} else if (vm_flags & VM_SHARED) {
 		if (unlikely(vm_flags & (VM_GROWSDOWN|VM_GROWSUP)))
-- 
1.7.4.4

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