diff options
| author | Jens Axboe <[email protected]> | 2021-11-05 13:37:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-11-06 13:30:34 -0700 |
| commit | f8ee8909ac818e555ef18b57b0ee4b9fd0478b82 (patch) | |
| tree | 9e086f771c7c0a799c1545a48a5995526edd5b29 /tools/perf/scripts/python/bin | |
| parent | d417b49fff3e2f21043c834841e8623a6098741d (diff) | |
mm: move more expensive part of XA setup out of mapping check
The fast path here is not needing any writeback, yet we spend time
setting up the xarray lookup data upfront. Move the part that actually
needs to iterate the address space mapping into a separate helper,
saving ~30% of the time here.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions