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| author |   Liam R. Howlett <Liam.Howlett@Oracle.com> | 2022-09-06 19:48:50 +0000 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:17 -0700 |
| commit | 94d815b2798bad12d0aec912add7665e69a48400 (patch) | |
| tree | 8f52960c765fd93232e32fc8f8b1ca8351368939 /mm/mmap.c | |
| parent | mm: optimize find_exact_vma() to use vma_lookup() (diff) | |
| download | linux-dev-94d815b2798bad12d0aec912add7665e69a48400.tar.xz linux-dev-94d815b2798bad12d0aec912add7665e69a48400.zip | |
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.
Link: https://lkml.kernel.org/r/20220906194824.2110408-22-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
0 files changed, 0 insertions, 0 deletions