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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2023-10-18 22:07:56 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-10-25 16:47:12 -0700 |
| commit | ec1778807a8053d14cde7cfd75fbd66e0c7b9c9f (patch) | |
| tree | 8f2e82a3bc942b06336d028117a1214c3166d987 /tools/perf/scripts/python/task-analyzer.py | |
| parent | sched/fair: use folio_xchg_access_time() in numa_hint_fault_latency() (diff) | |
| download | wireguard-linux-ec1778807a8053d14cde7cfd75fbd66e0c7b9c9f.tar.xz wireguard-linux-ec1778807a8053d14cde7cfd75fbd66e0c7b9c9f.zip | |
mm: mprotect: use a folio in change_pte_range()
Use a folio in change_pte_range() to save three compound_head() calls.
Since now only normal and PMD-mapped page is handled by numa balancing,
it is enough to only update the entire folio's access time.
Link: https://lkml.kernel.org/r/20231018140806.2783514-10-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions