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SubjectRE: x86-32 PAE-enabled kernel fails to boot with 64GB of RAM
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> On 12/06/2011 02:26 AM, Michal Hocko wrote:
> >
> > Quoting from Documentation/vm/highmem.txt:
> > "
> > The general recommendation is that you don't use more than 8GiB on a
> > 32-bit machine - although more might work for you and your workload,
> > you're pretty much on your own - don't expect kernel developers to
> > really care much if things come apart.
> > "
> >
>
> Still, I suspect the failure to cap the memory space... it still
> *should* at least limp along. But yes, at some point the wheels really
> will just come off the bus.
>
> Does specifying a kernel"mem=" option (thereby capping the memory
> artificially) work?

FYI Windows when set to 3G/1G VA split with PAE enabled caps to 16GB of RAM.
Yuhong Bao

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