[PATCH] mm/mmap.c: Remove unnecessary pgoff assignment

[Zhang Yanfei]

We never access variable pgoff later, so the assignment is
redundant. Remove it. 

Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
 mm/mmap.c |    1 - 
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index f9c97d1..db44f6a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1570,7 +1570,6 @@ 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)))
-- 
1.7.1
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