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Date:      Tue, 21 Sep 2010 10:12:06 +0300
From:      Andriy Gapon <avg@freebsd.org>
To:        Jeff Roberson <jroberson@jroberson.net>
Cc:        Andre Oppermann <andre@freebsd.org>, Jeff Roberson <jeff@freebsd.org>, Robert Watson <rwatson@freebsd.org>, freebsd-hackers@freebsd.org
Subject:   Re: zfs + uma
Message-ID:  <4C985AC6.60906@freebsd.org>
In-Reply-To: <alpine.BSF.2.00.1009202034480.23448@desktop>
References:  <4C93236B.4050906@freebsd.org> <4C935F56.4030903@freebsd.org> <alpine.BSF.2.00.1009181221560.86826@fledge.watson.org> <alpine.BSF.2.00.1009181135430.23448@desktop> <4C98500D.5040109@freebsd.org> <alpine.BSF.2.00.1009202034480.23448@desktop>

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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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