On Thu, Nov 08, 2018 at 11:51:29AM +0100, Borislav Petkov wrote: > A global definition which doesn't need allocation? > > Maybe hpa would have another, better idea... ...and he has: just put that address in a new field in struct boot_params by converting one of the padding arrays there. Don't forget to document it in Documentation/x86/zero-page.txt This way you don't need any of the allocation fun or to use setup_data at all. HTH. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.