Date: Sat, 12 Jan 2002 05:52:12 -0600 From: "Mike Meyer" <mwm-dated-1011268333.2b0b45@mired.org> To: Vivek Khera <khera@kcilink.com>, jaideep.bhatia@wipro.com Cc: questions@freebsd.org Subject: Re: Maximum memory per process Message-ID: <15424.9068.589476.493915@guru.mired.org> In-Reply-To: <90984732@toto.iv>
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Vivek Khera <khera@kcilink.com> types: > >>>>> "JB" == Jaideep Bhatia <Jaideep> writes: > JB> I have a few doubts and I would like to have expert opinion on those > JB> 1. How much physical RAM is supported by freeBSD 4.4 R (This should be a > JB> limitation of the processor and the motherboard, am I right?) > 4Gb, I believe. There are some bugs that cause 4.4R to die if you put in 4Gb of real memory. Hopefully, the fixes should all be in 4.5R. > JB> 2. How much virtual memory is supported? ( should be in tera bytes?) > Your virtual address space is still 32 bits, so per-process you can > only have that much. If you mean total, it is indeed tera bytes. > JB> 3. How much memory can be allocated per process? > I'm suspecting 4Gb, since that's the max you can address in 32 bits. I don't know if anyone has tried cranking things up that high, so there may be - in fact, probably are - bugs lurking there. As Oliver Fromme pointed out, this is all for the i386 architechture, not anything else. <mike -- Mike Meyer <mwm@mired.org> http://www.mired.org/home/mwm/ Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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