Re: [PATCH v1] arch/x86/mm/hugetlbpage.c: pud_huge() returns 0 when using 2-level paging

[Andrew Morton]

On Tue, 8 Nov 2022 00:00:15 +0000 HORIGUCHI NAOYA(堀口　直也) <naoya.horiguchi@xxxxxxx> wrote:

> > > Recently pud_huge() got aware of non-present entry by commit 3a194f3f8ad0
> > > ("mm/hugetlb: make pud_huge() and follow_huge_pud() aware of non-present
> > > pud entry") to handle some special states of gigantic page.  However, it's
> > > overlooked that pud_none() always returns false when running with 2-level
> > > paging, and as a result pmd_huge() can return true pointlessly.
> 
> Sorry, I found a non-negligible typo here (s/pmd_huge/pud_huge/).
> Andrew, could you fix this on mm-hotfixes-unstable?

Done, thanks.