On Sun, Jan 10, 2021 at 11:21 AM hailong <hailongliiu@xxxxxxxx> wrote: > >> +#ifndef PTE_HWTABLE_PTRS > >> +#define PTE_HWTABLE_PTRS 0 > >> +#endif > > > >Can this even happen? We have either pgtable-2level.h or > >pgtable-3level.h, both of which define PTE_HWTABLE_PTRS. > > > > I guess not for arm. But I'm not sure for other ARCHs. Oh it's a generic include. Sorry for the confusion. All good then! Yours, Linus Walleij