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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>
Fri, 22 Oct 2021 00:27:28 +0000 (20:27 -0400)
commit710a8704221ffc00f0b7d876bdc81bc9626e8fbd
tree4ebaa48342d61e58b5282d5c69a4e7078658dca6tree
parentba7936107cd7d17fb872b6ceb7704c0fa954c0decommit | 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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