Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 05 Aug 1995 21:20:10 -0700
From:      David Greenman <davidg@Root.COM>
To:        Marc Ramirez <mrami@minerva.cis.yale.edu>
Cc:        questions@freebsd.org
Subject:   Re: VM question 
Message-ID:  <199508060420.VAA00986@corbin.Root.COM>
In-Reply-To: Your message of "Sat, 05 Aug 95 20:33:00 EDT." <Pine.3.89.9508052045.A21915-0100000@minerva> 

next in thread | previous in thread | raw e-mail | index | archive | help
>I have a friend (samman@cs.yale.edu) who is running an IBM ThinkPad 500 
>with 12MB RAM/10MB swap, FreeBSD 2.0.5R.  In the course of running X, he 
>is getting out-of-swap errors, but is not using more than 15MB of VM 
>ever.  We just upgraded this from 1.1.5.1, and I remember a lot of 
>discussion about the overcommit algorithms, and I was wondering if either 
>John Dyson or David Greenman could explain away this behavior.  Also, if 
>this is the expected behavior, is there a #define to change it or could 
>someone point me to the correct place to hack?

   If you are using 15MB of virtual memory then over time the system can
potentially page out a large part of that in favor of file caching.

-DG



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199508060420.VAA00986>