Date: Tue, 1 Jan 2002 13:23:34 -0500 (EST) From: Robert Watson <rwatson@FreeBSD.org> To: doc@FreeBSD.org Subject: Re: Kernel Memory Limit (fwd) Message-ID: <Pine.NEB.3.96L.1020101132258.14067G-100000@fledge.watson.org>
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If someone has a chance to look into this before 4.5-RELEASE goes out the
door, that would be great. I've also updated the tuning(7) man page so
there may need to be other propagation of documents.
Robert N M Watson FreeBSD Core Team, TrustedBSD Project
robert@fledge.watson.org NAI Labs, Safeport Network Services
---------- Forwarded message ----------
Date: Mon, 31 Dec 2001 10:51:41 -0800
From: Terry Lambert <tlambert2@mindspring.com>
To: Matthew Dillon <dillon@apollo.backplane.com>
Cc: Anjali Kulkarni <anjali@indranetworks.com>, osa@freebsd.org.ru,
freebsd-hackers@FreeBSD.ORG
Subject: Re: Kernel Memory Limit
Matthew Dillon wrote:
> KVM is only 1G, and a lot of is used-up. You cannot allocate
> (directly map) hundreds of megabytes of kernel memory.
You can crank up the KVA space, though the handbook is wrong for
-release, and woefully out of date for -current.
You can also do big allocations, if you do them at startup, but
they require heroic measures and have their own limitations.
See my other (longer) posting for a clearer explanation.
-- Terry
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