mm/mmap: remove unnecessary assignment

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

Signed-off-by: Yanchuan Nian <ycnian@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 51958d192a48..9d548512ff8a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1566,7 +1566,6 @@ 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) {
                 error = shmem_zero_setup(vma);