Re: [PATCH] mm: Export PageHeadHuge()

[Matthew Wilcox]

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.