On Tue, Mar 26, 2024 at 08:41:27AM +0100, Heiko Carstens wrote: > On Fri, Mar 22, 2024 at 04:11:45PM +0000, Matthew Wilcox (Oracle) wrote: > > struct page is going to lose its refcount (someday) and as part of > > that page_ref_freeze() will go away. s390's ultravisor is one of > > the few remaining places that uses it, so convert it over to folios. > > From previous interactions, I understand that ultravisor doesn't support > > large folios, so this simply declines to make large folios secure. > > I think you'd be better off splitting the folio if it is large, but > > that's something I'd rather leave to someone who can test it. > > Christian, Janosch, or Claudio, could you have a look at this please; > and provide an ACK if this is ok with you? Ping?
