Messages in this thread | | | Date | Mon, 28 Apr 2003 17:11:59 +0200 | From | Carl-Daniel Hailfinger <> | Subject | Re: [Lse-tech] Re: maximum possible memory limit .. |
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Andi Kleen wrote: > > Linux supports up to 4 GB (~2^32 bytes) of memory on 32-bit > > architectures and 64 GB (~2^36 bytes) on x86 with PAE. No other > > > That's far too optimistic. 64GB will need patches, like the pgcl > patch. It is unlikely to work out of the box. Just do the math.
[explanatory math snipped]
> Realistic limit currently is ~16GB with an IA32 box. For more you need
<marketingspeak> This means ~16GB is available on IA32 right now with vanilla kernels, and 64GB is available from vendors who are willing to apply the pgcl patch. Conclusion: Linux supports 64GB on IA32 </marketingspeak>
> an 64bit architecture.
> > On 64-bit systems, Linux supports up to 16 EB (~2^64 bytes) of memory
That statement is OK?
Thanks, Carl-Daniel -- http://www.hailfinger.org/
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