[patch 096/192] mm/nommu: unexport do_munmap()

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From: Liam Howlett <liam.howlett@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/nommu.c |    1 -
 1 file changed, 1 deletion(-)

--- a/mm/nommu.c~mm-nommu-unexport-do_munmap
+++ a/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)
 {
_



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