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SubjectRe: [PATCH] x86_64: early memtest to find bad ram
On Thu, 20 Mar 2008 23:58:33 -0700
Yinghai Lu <> 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)

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