Re: [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback

From: Jason Gunthorpe
Date: Wed Apr 03 2024 - 09:34:33 EST


On Wed, Apr 03, 2024 at 01:17:06PM +0000, Christophe Leroy wrote:

> > That commit makes it sounds like the arch supports huge PUD's through
> > the hugepte mechanism - it says a LTP test failed so something
> > populated a huge PUD at least??
>
> Not sure, I more see it just like a copy/paste of commit 501b81046701
> ("mips: mm: add p?d_leaf() definitions").
>
> The commit message says that the test failed because pmd_leaf() is
> missing, it says nothing about PUD.

AH fair enough, it is probably a C&P then

Jason