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| author | Mark-PK Tsai <mark-pk.tsai@mediatek.com> | 2023-10-06 14:02:40 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-18 14:34:16 -0700 |
| commit | afb2d666d0250e707eef3c5947165b414268244b (patch) | |
| tree | 09fe3515599f80dcef702dc4aae55d0ee5a5bcf1 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | filemap: call filemap_get_folios_tag() from filemap_get_folios() (diff) | |
| download | linux-afb2d666d0250e707eef3c5947165b414268244b.tar.gz linux-afb2d666d0250e707eef3c5947165b414268244b.zip | |
zsmalloc: use copy_page for full page copy
Some architectures have implemented optimized copy_page for full page
copying, such as arm.
On my arm platform, use the copy_page helper for single page copying is
about 10 percent faster than memcpy.
Link: https://lkml.kernel.org/r/20231006060245.7411-1-mark-pk.tsai@mediatek.com
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: YJ Chiang <yj.chiang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions