Re: [PATCH 0/2] Convert some gmap functions to use folios

[Claudio Imbrenda <imbrenda@linux.ibm.com>]

On Thu, 4 Apr 2024 14:38:55 +0100
Matthew Wilcox <willy@infradead.org> 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@linux.ibm.com>