Re: [PATCH] mm,x86: fix span coverage in e820_all_mapped()

[H. Peter Anvin]

Is that an actual requirement of the API?

Xishi Qiu <qiuxishi@xxxxxxxxxx> wrote:
>On 2013/12/11 12:02, H. Peter Anvin wrote:
>
>> On 12/10/2013 07:55 PM, Xishi Qiu wrote:
>>>
>>> I think there is a problem.
>>> e.g.
>>> [start, end)=[8, 12), and [A, B)=[0, 10), [B, C)=[10,20),
>>> then e820_all_mapped() will return 1, it spans two regions.
>>>
>> 
>> Why is that a problem?
>> 
>
>[start, end) should be included in one region ?
>
>Thanks,
>Xishi Qiu
>
>> 	-hpa
>> 
>> 
>> 
>> 

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