On Tue, Sep 09, 2025 at 04:27:31PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky <leonro@xxxxxxxxxx> <...> > include/linux/page-flags.h | 1 + <...> > --- a/include/linux/page-flags.h > +++ b/include/linux/page-flags.h > @@ -614,6 +614,7 @@ FOLIO_FLAG(dropbehind, FOLIO_HEAD_PAGE) > * available at this point. > */ > #define PageHighMem(__p) is_highmem_idx(page_zonenum(__p)) > +#define PhysHighMem(__p) (PageHighMem(phys_to_page(__p))) This was a not so great idea to add PhysHighMem() because of "else" below which unfolds to maze of macros and automatically generated functions with "static inline int Page##uname ..." signature. > #define folio_test_highmem(__f) is_highmem_idx(folio_zonenum(__f)) > #else > PAGEFLAG_FALSE(HighMem, highmem) Thanks
