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Date:      Mon, 7 Aug 2006 20:49:23 +0100
From:      Thomas Hurst <tom.hurst@clara.net>
To:        Eric Anderson <anderson@centtech.com>
Cc:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: ollecting pv entries -- suggest increasing PMAP_SHPGPERPROC
Message-ID:  <20060807194923.GA20676@voi.aagh.net>
In-Reply-To: <44D77D70.1030508@centtech.com>
References:  <44D77D70.1030508@centtech.com>

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* Eric Anderson (anderson@centtech.com) wrote:

> I saw these two warnings come up soon after rebooting a server
> (running 5-STABLE):
>
> kernel: collecting pv entries -- suggest increasing PMAP_SHPGPERPROC
> kernel: collecting pv entries -- suggest increasing PMAP_SHPGPERPROC
>
> I see there is a tunable for tweaking, but I'm not certain what I'm
> really tweaking.  Any hints or guidelines?

PV entries are related to the amount of memory that's shared between
processes.

http://lists.freebsd.org/pipermail/freebsd-hackers/2003-May/000695.html
explains a bit.

-- 
Thomas 'Freaky' Hurst
    http://hur.st/



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