From: Guenter Roeck <groeck@chromium.org>
Date: Thu, 24 Mar 2016 17:39:14 +0000 (-0700)
Subject: mm: Export do_munmap
X-Git-Tag: firefly_0821_release~176^2~422
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a7b7a225c1ba4ea849a74e90b937b64c10c35e1f;p=firefly-linux-kernel-4.4.55.git

mm: Export do_munmap

The 0-day build bot reports the following build error, seen if SDCARD_FS
is built as module.

ERROR: "do_munmap" undefined!

Fixes: 84a1b7d3d312 ("Included sdcardfs source code for kernel 3.0")
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
---

diff --git a/mm/mmap.c b/mm/mmap.c
index 6c561acdca92..a089cca8d79a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2634,6 +2634,7 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
 
 	return 0;
 }
+EXPORT_SYMBOL(do_munmap);
 
 int vm_munmap(unsigned long start, size_t len)
 {