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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/ - 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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