Re: [PATCH 09/13] mm/powerpc: Redefine pXd_huge() with pXd_leaf()

From: Peter Xu
Date: Wed Mar 20 2024 - 12:09:22 EST


On Wed, Mar 20, 2024 at 06:16:43AM +0000, Christophe Leroy wrote:
> At the first place that was to get a close fit between hardware
> pagetable topology and linux pagetable topology. But obviously we
> already stepped back for 512k pages, so let's go one more step aside and
> do similar with 8M pages.
>
> I'll give it a try and see how it goes.

So you're talking about 8M only for 8xx, am I right?

There seem to be other PowerPC systems use hugepd. Is it possible that we
convert all hugepd into cont_pte form?

Thanks,

--
Peter Xu