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From: John Baldwin <jhb@freebsd.org>
To: Alexander Motin <mav@freebsd.org>
Subject: Re: svn commit: r243631 - in head/sys: kern sys
Date: Mon, 14 Jan 2013 12:55:46 -0500
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Cc: Adrian Chadd <adrian@freebsd.org>, src-committers@freebsd.org,
 Andre Oppermann <andre@freebsd.org>, Alan Cox <alc@rice.edu>,
 "Jayachandran C." <jchandra@freebsd.org>, svn-src-all@freebsd.org,
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On Monday, January 14, 2013 10:51:27 am Alexander Motin wrote:
> As I've actually written, there are two different things:
>  ncallout -- number of preallocated callout structures for purposes of
> timeout() calls. That is a legacy API that is probably not very much
> used now, so that value don't need to be too big. But that allocation is
> static and if it will ever be exhausted system will panic. That is why
> it was set quite high. The right way now would be to analyze where that
> API is still used and estimate the really required number.

FYI, I have slowly been working through the tree fixing users of timeout()
to use callout_*() instead.

-- 
John Baldwin