Re: [PATCH] x86/mm: Simplify p[g4um]d_page() macros

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On Mon, Aug 20, 2018 at 02:57:39PM -0700, Linus Torvalds wrote:
> On Mon, Aug 20, 2018 at 1:37 PM Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> >
> > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> >
> > Create a pgd_pfn() macro similar to the p[4um]d_pfn() macros and then
> > use the p[g4um]d_pfn() macros in the p[g4um]d_page() macros instead of
> > duplicating the code.
> 
> When doing backports, _please_ explicitly specify which commit this is
> upstream too.

Ok.

> 
> Also, the original upstream patch is credited to Tom Lendacky.

Okay.

> 
> Or is there something I'm not seeing, and this is different from
> commit fd7e315988b7 ("x86/mm: Simplify p[g4um]d_page() macros")?

No it's Tom's patch just ported to the older tree with some minor
changes. I just fat fingered it while doing the commit

-Andi



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