Re: [patch] tip/x86_64: fix e820 merge issue which broke max_pfn_mapped

From: Yinghai Lu
Date: Tue Jul 08 2008 - 20:59:54 EST


On Tue, Jul 8, 2008 at 4:08 PM, Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:
> With out this 64bit tip/master doesn't boot using ACPI on my system.
> ---
>
> max_pfn_mapped should include all e820 entries.
> The direct mapping extends to max_pfn_mapped, so that we can directly access
> apertures, ACPI and other tables without having to play with fixmaps.
>
> With this, my system with 1GB memory boots fine with ACPI enabled.

so without this patch, your system doesn't boot?

YH
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