Re: [PATCH 13/40] autonuma: CPU follow memory algorithm

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On 2012年06月30日 21:04, Andrea Arcangeli wrote:
On Sat, Jun 30, 2012 at 02:58:29PM +0800, Nai Xia wrote:
OK, I think I'd stop discussing this topic now. Without strict and comprehensive
research on this topic, further arguments seems to me to be purely based on
imagination.

I suggest to consider how ptep_clear_and_test_young works on the
pte_young bit on the VM swapping code. Then apply your "concern" to
the pte_young bit scan. If you can't NAK the swapping code in the
kernel, well I guess you can't nack AutoNUMA as well because of that
specific concern.

And no I'm not saying this is trivial or obvious, I appreciate your
thoughts a lot, just I'm quite convinced this is a subtle detail but
an irrelevant one that gets lost in the noise.

If you insist on ignoring any constructive suggestions from others,
it's pretty much ok to do so.  But I (and possibly many others who are
watching)
am pretty much  possible to do a LOL to your development style.

Well if you think answering your emails means ignoring your
suggestions, be my guest.

Thanks for you kindness, I was just feeling a little bit uncomfortable
about Dor's tune of "Anyone can beat anything". It's OK now, since
anyone with eyes can easily find out I am not a spamming person on
this list.


Thanks,
Nai

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