Date: Tue, 05 Feb 2002 21:00:25 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: tlambert2@mindspring.com Cc: cjclark@alum.mit.edu, cristjc@earthlink.net, mike@FreeBSD.ORG, freebsd-arch@FreeBSD.ORG Subject: Re: Setting sysctl(8)'s in rc.conf Message-ID: <20020205.210025.88474927.imp@village.org> In-Reply-To: <3C609B28.4B040672@mindspring.com> References: <20020205121345.B368@gohan.cjclark.org> <20020205.135658.102576700.imp@village.org> <3C609B28.4B040672@mindspring.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <3C609B28.4B040672@mindspring.com>
Terry Lambert <tlambert2@mindspring.com> writes:
: Will this let them be set before load?
Yes.
: There's a bad assumption in tunables, that they may be
: tuned after boot time, which is not true for things
: like sizes of zalloci() zones, which must be contiguous,
: and whose size prevents reallocation, and whose use
: before reallocation would lead to fragmentation.
No. Tunables can't be set after boot time. They are hints in the
kenrel env that people get to with the TUNABLE* macros. Maybe you are
thinking of sysctls?
Warner
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020205.210025.88474927.imp>