Re: [PATCH] Documentation: vm: Add 1GB large page support information

From: Dave Hansen
Date: Wed Nov 05 2014 - 10:31:32 EST


On 11/05/2014 07:21 AM, Masanari Iida wrote:
> Luiz, Dave,
> Thanks for comments.
>
> I understand that there are some exception cases which doesn't support 1G
> large pages on newer CPUs.
> I like Dave's example, at the same time I would like to add "pdpe1gb flag" in
> the document.
>
> For example, x86 CPUs normally support 4K and 2M (1G if pdpe1gb flag exist).

Is 1G supported on CPUs that have pdpe1gb and are running a 32-bit kernel?

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