Re: [RFC 0/2] Delay initializing of large sections of memory

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On Tue, Jun 25, 2013 at 12:09 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> According to Intel SDM, CPU could support 52bits physical addressing.
>>
>> So how linux kernel will handle it? as we only have 48bits virtual addressing.
>>
>
> The Linux kernel will not support more than V-2 bits of physical address
> space for any number V of virtual address bits.

ok, then will need cpu support 57bits virtual addressing, and level 5
page table?

Yinghai
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