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mm/mmap: change do_vmi_align_munmap() for maple tree iterator changes

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The maple tree iterator clean up is incompatible with the way
do_vmi_align_munmap() expects it to behave.  Update the expected behaviour
to map now since the change will work currently.

Link: https://lkml.kernel.org/r/20230518145544.1722059-23-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: David Binderman <dcb314@hotmail.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Vernon Yang <vernon2gm@gmail.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liam R. Howlett 2023-05-18 10:55:31 -04:00 committed by Andrew Morton
parent d04118605f
commit 15c0c60b8c
1 changed files with 6 additions and 1 deletions
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7
mm/mmap.c
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@ -2388,7 +2388,12 @@ do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma,
#endif
}
next = vma_next(vmi);
if (vma_iter_end(vmi) > end)
next = vma_iter_load(vmi);
if (!next)
next = vma_next(vmi);
if (unlikely(uf)) {
/*
* If userfaultfd_unmap_prep returns an error the vmas