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