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author | Jisheng Zhang <jszhang@kernel.org> | 2021-04-16 19:37:22 +0300 |
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committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-05-26 08:50:47 +0300 |
commit | 3332f4190674114e08daaf6859c11a7e464bceff (patch) | |
tree | 1cc6c4dac63d80494f602016964b91833353b992 /tools/perf/scripts/python/task-analyzer.py | |
parent | e88b333142e4aba7410d6d3292ad97b3a8588bfe (diff) | |
download | linux-3332f4190674114e08daaf6859c11a7e464bceff.tar.xz |
riscv: mremap speedup - enable HAVE_MOVE_PUD and HAVE_MOVE_PMD
HAVE_MOVE_PUD enables remapping pages at the PUD level if both the source
and destination addresses are PUD-aligned.
HAVE_MOVE_PMD does similar speedup on the PMD level.
With HAVE_MOVE_PUD enabled, there is about a 143x improvement on qemu
With HAVE_MOVE_PMD enabled, there is about a 5x improvement on qemu
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions