Re: [PATCH 03/10] x86, mm: get early page table from BRK

From: H. Peter Anvin
Date: Thu Oct 11 2012 - 19:17:59 EST


On 10/12/2012 06:55 AM, Yinghai Lu wrote:
> On Thu, Oct 11, 2012 at 7:41 AM, Konrad Rzeszutek Wilk
> <konrad@xxxxxxxxxx> wrote:
>> On Wed, Oct 10, 2012 at 08:49:05AM -0700, Yinghai Lu wrote:
>>>
>>> yes that is some extreme case:
>>> assume that 2M range is [2T-2M, 2T),
>>
>> What is T in here? Terabyte? Is the '[' vs ')' a significance in your
>> explanation? Should it be '[2T-2M, 2T]' ?
>
> yes, T is terabyte
>
> [2T-2M, 2T) is equal to [2T-2M, 2T-1]
>
> ) mean the boundary is not included.
>

Right... and just to defend Yinghai here, this is a standard
mathematical notation.

-hpa


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