From 64ac4940d557df8caab602eaea679ec7eaf9a57f Mon Sep 17 00:00:00 2001
From: Huang Shijie <b32955@freescale.com>
Date: Wed, 4 Jun 2014 16:07:33 -0700
Subject: [PATCH] mm/mmap.c: remove the first mapping check

Remove the first mapping check for vma_link.  Move the mutex_lock into the
braces when vma->vm_file is true.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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