Re: [RFC][PATCH] mm: cut down __GFP_NORETRY page allocation failures

[KOSAKI Motohiro]

2011/5/3 Minchan Kim <minchan.kim@xxxxxxxxx>:
> On Mon, May 2, 2011 at 7:14 PM, KOSAKI Motohiro
> <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
>>> On Mon, May 02, 2011 at 01:35:42AM +0900, Minchan Kim wrote:
>>>
>>> > Do you see my old patch? The patch want't incomplet but it's not bad for showing an idea.
>>>                                      ^^^^^^^^^^^^^^^^
>>>                               typo : wasn't complete
>>
>> I think your idea is eligible. Wu's approach may increase throughput but
>
> Yes. it doesn't change many subtle things and make much fair but the
> Wu's concern is order-0 pages with __GFP_NORETRY. By his experiment,
> my patch doesn't help much his concern.
> The problem I have is I don't have any infrastructure for reproducing
> his experiment. :(
>
>> may decrease latency. So, do you have a plan to finish the work?
>
> I want it but the day would be after finishing inorder-putback series. :)
> Maybe you have a environment(8core system). If you want it, go ahead. :)

Hahaha, no. I lost such ia64 box by physical crash. ;-)
I haven't reproduce his issue yet too.
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