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Date: Tue, 21 Sep 2010 09:26:21 +0300
From: Andriy Gapon <avg@freebsd.org>
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To: Jeff Roberson <jroberson@jroberson.net>
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Cc: Andre Oppermann <andre@freebsd.org>, Jeff Roberson <jeff@freebsd.org>,
	Robert Watson <rwatson@freebsd.org>, freebsd-hackers@freebsd.org
Subject: Re: zfs + uma
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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?

> turn and flushes some or all of the buckets in per-cpu caches. Presently that is
> not done due to synchronization issues.  It can't be done from a central place. 
> It could be done with a callout mechanism or a for loop that binds to each core
> in succession.

-- 
Andriy Gapon