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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, 2 Sep 2021 15:16:42 +0000 (11:16 -0400)
commit1e9a252ea1cd92c578280785f38604f6f054c086
treea020bb63fb0c85332185d1209f29313501b72076tree
parent06cf942b4142e2a0ba96a414b6808b5f2f89b5d8commit | 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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