zfs + uma

Andriy Gapon avg at freebsd.org
Tue Sep 21 07:12:11 UTC 2010


on 21/09/2010 09:35 Jeff Roberson said the following:
> On Tue, 21 Sep 2010, Andriy Gapon wrote:
> 
>> on 19/09/2010 01:16 Jeff Roberson said the following:
>>> Additionally we could make a last ditch flush mechanism that runs on each cpu in
>>
>> How would you qualify a "last ditch" trigger?
>> Would this be called from "standard" vm_lowmem look or would there be some extra
>> check for even more severe memory condition?
> 
> If lowmem does not make enough progress to improve the condition.

Do we have a good way to detect that?
I see that currently vm_lowmem is always invoked with argument value of zero.
-- 
Andriy Gapon


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