[RFC PATCH 4/8] mm: nommu: add atomic parameter to do_munmap()

[Yang Shi]

Just add atomic parameter to keep consistent with the API change and
pass "true" to the call site. Nommu code doesn't do the mmap_sem
unlock/relock.

Signed-off-by: Yang Shi <yang....@linux.alibaba.com>
---
 mm/nommu.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/nommu.c b/mm/nommu.c
index ebb6e61..5954c08 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1578,7 +1578,8 @@ static int shrink_vma(struct mm_struct *mm,
  * - under NOMMU conditions the chunk to be unmapped must be backed by a single
  *   VMA, though it need not cover the whole VMA
  */
-int do_munmap(struct mm_struct *mm, unsigned long start, size_t len, struct 
list_head *uf)
+int do_munmap(struct mm_struct *mm, unsigned long start, size_t len,
+             struct list_head *ufi, bool atomic)
 {
        struct vm_area_struct *vma;
        unsigned long end;
@@ -1644,7 +1645,7 @@ int vm_munmap(unsigned long addr, size_t len)
        int ret;
 
        down_write(&mm->mmap_sem);
-       ret = do_munmap(mm, addr, len, NULL);
+       ret = do_munmap(mm, addr, len, NULL, true);
        up_write(&mm->mmap_sem);
        return ret;
 }
-- 
1.8.3.1