Messages in this thread | | | From | Nicholas Piggin <> | Subject | [PATCH 0/3] mm: dirty/accessed pte optimisations | Date | Tue, 28 Aug 2018 21:20:31 +1000 |
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Here are some patches that didn't get much comment last time. It looks like x86 might benefit too though, so that might get people interested.
I improved changelogs and added some comments, but no real logic changes.
I hope I didn't get the x86 numbers wrong, they're more significant than I expected so it could quite well be a problem with my test (corrections welcome). Any data from other archs would be interesting too.
Andrew perhaps if there aren't objections these could go in mm for a while.
Thanks, Nick
Nicholas Piggin (3): mm/cow: don't bother write protectig already write-protected huge pages mm/cow: optimise pte dirty/accessed bits handling in fork mm: optimise pte dirty/accessed bit setting by demand based pte insertion
mm/huge_memory.c | 24 +++++++++++++++--------- mm/memory.c | 18 ++++++++++-------- mm/vmscan.c | 8 ++++++++ 3 files changed, 33 insertions(+), 17 deletions(-)
-- 2.18.0
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