On Thu, 4 Apr 2024 14:38:55 +0100 Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > 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? hi, we've been looking into it and running some tests to see if anything catches fire. I thought someone had replied to tell you, but apparently it should have been me, and I forgot :) you can tack this on: Acked-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
