Date: Fri, 20 Jul 2001 22:01:23 -0600 (MDT) From: <janb@cs.utep.edu> To: Mike Smith <msmith@FreeBSD.ORG> Cc: <freebsd-stable@FreeBSD.ORG> Subject: Re: FreeBSD 4.3 and 6G RAM Message-ID: <Pine.GSO.4.30.0107202200450.3929-100000@gecko> In-Reply-To: <200107210128.f6L1SQd02267@mass.dis.org>
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I understand. Thank you. JAn > It's not trivial to "disable", unfortunately. > > The core of the problem is that the 36-bit physical addresses have to be > stored in 64-bit variables, which are *much* slower than the 32-bit > variables we currently use. You can't adjust this at runtime, it has to > be a compile-time option. > > There are other complications as well, which all add up to making this a > serious amount of work to deal with, and more to the point, one that > nobody has actually undertaken yet. > > -- > ... every activity meets with opposition, everyone who acts has his > rivals and unfortunately opponents also. But not because people want > to be opponents, rather because the tasks and relationships force > people to take different points of view. [Dr. Fritz Todt] > V I C T O R Y N O T V E N G E A N C E > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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