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mm: Optimize find_exact_vma() to use vma_lookup()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Thu, 8 Apr 2021 20:15:00 +0000 (16:15 -0400)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Thu, 16 Dec 2021 03:01:33 +0000 (22:01 -0500)
commit9495dbdb42f5102fccca4f0247b2c4962c938cb3
tree4da4474f77d5958efd8bdbd3383c8521f6f9b2batree
parentc989378f73baab55eb06fce7893bd9ab04ff1a5ecommit | diff
mm: Optimize find_exact_vma() to use vma_lookup()

Use vma_lookup() to walk the tree to the start value requested.  If
the vma at the start does not match, then the answer is NULL and there
is no need to look at the next vma the way that find_vma() would.

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