Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: How to use >3G memory per process | Date | 18 Dec 2001 10:40:52 -0800 |
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Followup to: <OHEPLPGMMIEGHANJIEBAIEPKCEAA.wydeng@platodesign.com> By author: "Wenyong Deng" <wydeng@platodesign.com> In newsgroup: linux.dev.kernel > > Hi, > > I read about 3.5G-per_process (or 3.5G/0.5G user/kernel space) in this > mailing list, but I don't find the details of how to do it. I have installed > Redhat7.2 (kernel 2.4.10enterprise) on a dual CPU 4G memory PC. I wrote a > simple program to use malloc to allocate memory, and it can never exceeds > 3G. libhoard didn't help either. My question is: > > [1] What need to be done for the kernel to support 3.5G or more user address > space per process? > > [2] What need to be done at compilation time? Any option for > compiler/linker? >
You need a patch from Andrea; you also need to either run kernel boot protocol 2.03 (a patch from me, plus a compatible bootloader), *OR* run without initrd.
-hpa -- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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