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mm: optimize find_exact_vma() to use vma_lookup()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Thu, 14 Apr 2022 06:07:15 +0000 (23:07 -0700)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Wed, 11 May 2022 13:09:54 +0000 (09:09 -0400)
commit0b31710b6df5d220453b5937afc09768ecbec9b0
treedb1d3d71467e88484cc2cff0f55bb7972744d7d3tree
parent64dd1738086c2b5fffa04136dde2056ca4fb8678commit | 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>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
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