Date: Fri, 27 Nov 1998 03:37:06 -0800 From: David Greenman <dg@root.com> To: Charles Henrich <henrich@crh.cl.msu.edu> Cc: Mats Dufberg <dufberg@sunet.se>, freebsd-questions@FreeBSD.ORG Subject: Re: 1GB Memory? Message-ID: <199811271137.DAA00442@root.com> In-Reply-To: Your message of "Fri, 27 Nov 1998 03:26:14 PST." <19981127032614.48228@orbit.flnet.com>
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>On the subject of Re: 1GB Memory?, David Greenman stated: > >> >D'oh! I knew those were there... I've been ignoring them out of habit >> >since FreeBSD 3.0 now correctly probes memory size... Apparently the >> >default probe doesnt set the max datasize to the max value however. Thanks >> >for pointing this out -- I think its time for bed now :) >> >> Uh, the maximum datasize is a per-process limit on virtual memory and has >> nothing to do with the amount of physical memory in the machine. > >Good point, again I really ought to sleep. Technically wouldnt it be accurate >to say that the maxdsize should be the amount of physical memory plus the >amount of swap available? No, not really. The kernel uses maxdsize (and other "max" values) to figure out how to layout a process's virtual memory. It necessarily needs to be a compile time constant. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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