From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 27 Nov 2013 15:50:52 +0400 From: Cyrill Gorcunov To: William Dauchy Cc: Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" , stable@vger.kernel.org, Pavel Emelyanov , Andy Lutomirski , Matt Mackall , Xiao Guangrong , Marcelo Tosatti , KOSAKI Motohiro , Stephen Rothwell , Peter Zijlstra , "Aneesh Kumar K.V" , Naoya Horiguchi , Mel Gorman , Andrew Morton , Linus Torvalds Subject: Re: [PATCH 3.11 54/66] mm: migration: do not lose soft dirty bit if page is in migration state Message-ID: <20131127115052.GX29824@moon> References: <20131101220634.605745564@linuxfoundation.org> <20131101220649.696585269@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: On Wed, Nov 27, 2013 at 12:38:10PM +0100, William Dauchy wrote: > Hi Greg, > > I was wondering if v3.10.x stable branch was also concerned by this > patch since I did not found it in this later branch. > Maybe too hard to backport? (I saw that it requires new functions like > pte_swp_soft_dirty which is not present in v3.10.x) > Maybe it was planned in the future? "Soft dirty bit" feature introduced in 3.11 kernel and as far as I know we've no plans to backport it on 3.10 series.