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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, 24 Jun 2021 20:04:21 +0000 (16:04 -0400)
commitcc614d04016e9b5962c93f55986ede792fc5cd66
tree5dd91a1a8894f38f34ac0543c53bbd768cab1a71tree
parent1f674980f8610b379385e21ebd1828f6b4203f6ecommit | 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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