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mm/khugepaged: optimize collapse_pte_mapped_thp() by using vma_lookup()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Wed, 20 Jul 2022 02:17:50 +0000 (02:17 +0000)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Tue, 6 Sep 2022 19:44:22 +0000 (15:44 -0400)
commit40f4be06119abe10d29fbb06c20fa2c3ac14c1fc
tree5608f92aa722c9d681e2c65701e3e1ccefc4eefdtree
parent3cb43f7870b990e38cb0f9d366d019cd7bb69bf3commit | diff
mm/khugepaged: optimize collapse_pte_mapped_thp() by using vma_lookup()

vma_lookup() will walk the vma tree once and not continue to look for the
next vma.  Since the exact vma is checked below, this is a more optimal
way of searching.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
mm/khugepaged.c diff | blob | history
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