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SubjectRe: [PATCH] x86_64: early memtest to find bad ram
Arjan van de Ven wrote:
> On Thu, 20 Mar 2008 23:58:33 -0700
> Yinghai Lu <yhlu.kernel.send@gmail.com> wrote:
>
>> do simple memtest after init_memory_mapping
>>
>> use find_e820_area_size to find all ram range that is not reserved.
>
> be careful, there's some special memory that e820 right now says is not reserved,
> but still has bios data (the first 4Kb of memory come to mind)
>

Is that true even after Yinghai's changes? I have lost track of all the
patches...

-hpa


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