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>
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>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
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