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mm/khugepaged: optimize collapse_pte_mapped_thp() by using 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>
Tue, 26 Apr 2022 14:36:35 +0000 (10:36 -0400)
commitfafca048cea5cd6697b7f6feb43e1bad21e53e0f
tree9c47426a5b1e7e80df634122ef5d01d4b2399752tree
parent82417d384ea5c55748a9cdc887fe4e5524c980a2commit | 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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