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mm: Use maple tree operations for find_vma_intersection() and find_vma()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Mon, 28 Sep 2020 19:50:19 +0000 (15:50 -0400)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Thu, 16 Dec 2021 03:01:34 +0000 (22:01 -0500)
commit1994b27366fb6b18035af8bd081ea9afa9878776
tree709564a4fe3b9e1aee580fc7a8f6d086860b8276tree
parent135789d2a234de886036c7a37d7f37dcee9dca18commit | diff
mm: Use maple tree operations for find_vma_intersection() and find_vma()

Move find_vma_intersection() to mmap.c and change implementation to
maple tree.

When searching for a vma within a range, it is easier to use the maple
tree interface.  This means the find_vma() call changes to a special
case of the find_vma_intersection().

Exported for kvm module.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
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