From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Schwidefsky Subject: Re: [patch 0/6] Guest page hinting version 6. Date: Thu, 13 Mar 2008 10:47:07 +0100 Message-ID: <1205401627.26537.40.camel@localhost> References: <20080312132132.520833247@de.ibm.com> <200803130941.48480.rusty@rustcorp.com.au> Reply-To: schwidefsky@de.ibm.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200803130941.48480.rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org To: Rusty Russell Cc: virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, virtualization@lists.osdl.org, akpm@osdl.org, nickpiggin@yahoo.com.au, frankeh@watson.ibm.com, hugh@veritas.com List-Id: virtualization@lists.linuxfoundation.org On Thu, 2008-03-13 at 09:41 +1100, Rusty Russell wrote: > On Thursday 13 March 2008 00:21:32 Martin Schwidefsky wrote: > > My question now is how to proceed with the code. I sure > > would love to see the code going upstream some day but that depends on > > the mm developers as the code adds complexity that needs to be supported. > > Well, I want this feature, but I agree about complexity. > > AFAICT, the trivial subset of this is the hinting of Unused pages. It seems > that would buy us something, and perhaps be a stepping stone to full page > hinting? I've been there but the unused page thing is so small that it doesn't make sense to separate it from the patches. If I don't see any progress then I will come up with a patch that adds the Unused state transitions to the arch files of s390. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.