From: Liam Howlett <liam.howlett@oracle.com>
Date: Thu, 1 Jul 2021 01:52:17 +0000 (-0700)
Subject: mm/nommu: unexport do_munmap()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=db1d9152c91acf2fef2eb16718a0aafee60dde30;p=linux.git

mm/nommu: unexport do_munmap()

do_munmap() does not take the mmap_write_lock().  vm_munmap() should be
used instead.

Link: https://lkml.kernel.org/r/20210604194002.648037-1-Liam.Howlett@Oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/nommu.c b/mm/nommu.c
index 0997ca38c2bdb..3a93d40548104 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1501,7 +1501,6 @@ erase_whole_vma:
 	delete_vma(mm, vma);
 	return 0;
 }
-EXPORT_SYMBOL(do_munmap);
 
 int vm_munmap(unsigned long addr, size_t len)
 {