Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 14 Jan 2013 12:55:46 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Alexander Motin <mav@freebsd.org>
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, Alfred Perlstein <bright@mu.org>, Oleksandr Tymoshenko <gonzo@bluezbox.com>, freebsd-arch@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r243631 - in head/sys: kern sys
Message-ID:  <201301141255.46994.jhb@freebsd.org>
In-Reply-To: <50F4297F.8050708@FreeBSD.org>
References:  <201211272119.qARLJxXV061083@svn.freebsd.org> <50F41F8C.5030900@freebsd.org> <50F4297F.8050708@FreeBSD.org>

next in thread | previous in thread | raw e-mail | index | archive | help
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



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201301141255.46994.jhb>