Re: kexec/kdump kernel fails to start

[Cong Wang]

On Thu, Oct 18, 2012 at 2:33 PM, Dave Young <dyoung@xxxxxxxxxx> wrote:
> Here is a patch for the reverting:
> ---
> x86 mm: Revert find_early_table_space fix
>
> 722bc6b16771ed80871e1fd81c86d3627dda2ac8 Try to address the issue that the
> first 2/4M should use 4k pages if PSE enabled. but extra counts should only
> valid for x86_32. This commit cause kdump regression, kdump kernel hangs happens
> with it.
>
> As Yinghai Lu said they should be reverted. see below post:
> https://lkml.org/lkml/2012/9/4/533
>
> As there's a later fix to above fix which is bd2753b2dda7bb43c7468826de75f49c6a7e8965
> So we need revert both of these two commits.
>
> Tested kdump on physical and virutual machines.

Looks good to me,

Acked-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>

Thanks for the fix!
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