Re: [PATCH] mm: Export PageHeadHuge()

From: Kirill A. Shutemov
Date: Wed Nov 17 2021 - 09:01:44 EST


On Wed, Nov 17, 2021 at 01:20:02PM +0000, Matthew Wilcox wrote:
> On Wed, Nov 17, 2021 at 11:36:23AM +0300, Kirill A. Shutemov wrote:
> > On Tue, Nov 16, 2021 at 01:54:13PM +0000, David Howells wrote:
> > > Export PageHeadHuge() - it's used by folio_test_hugetlb() and thence by
> > > folio_file_page() and folio_contains().
> >
> > Maybe move it to page-flag.h instead? It is trivial enough.
>
> HUGETLB_PAGE_DTOR is defined in mm.h so there's a bit of a dependency
> problem there.

Move enum compound_dtor_id to mm_types.h?

--
Kirill A. Shutemov