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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>
Fri, 1 Oct 2021 16:41:53 +0000 (12:41 -0400)
commit1c9ede774efcd3247ec3195b847b90f9530c7123
treeb31e1786700c6c671d5edf1cf51246eef5fb0dddtree
parent08e21221457ef806eb5d7b7f2cd1cafc54bdf1b7commit | 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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