From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Hansen Subject: Re: [RFC][PATCH 2/2] CR: handle a single task with private memory maps Date: Fri, 08 Aug 2008 10:24:09 -0700 Message-ID: <1218216249.19082.7.camel@nimitz> References: <20080731135703.GC22403@hawkmoon.kerlabs.com> <4891D5C2.8090000@cs.columbia.edu> <20080731155856.GH22403@hawkmoon.kerlabs.com> <4891E849.1050701@cs.columbia.edu> <20080731175058.GI22403@hawkmoon.kerlabs.com> <48920EA0.1060608@cs.columbia.edu> <20080801102600.GJ22403@hawkmoon.kerlabs.com> <48931A7E.1040302@cs.columbia.edu> <20080801180038.GL22403@hawkmoon.kerlabs.com> <48935B4D.7070302@cs.columbia.edu> <20080804101608.GA4081@localdomain> <4897BCE0.1080508@cs.columbia.edu> <1FA56146-7C30-4C36-982D-A50AA8BC8392@evergrid.com> <1217953429.10907.27.camel@nimitz> <03CE5BD3-E84A-4617-93BC-722ECB846C63@evergrid.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <03CE5BD3-E84A-4617-93BC-722ECB846C63-ccALPSaRSA5Wk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joseph Ruscio Cc: Linux Containers , Louis.Rilling-aw0BnHfMbSpBDgjK7y7TUQ@public.gmane.org List-Id: containers.vger.kernel.org On Fri, 2008-08-08 at 10:20 -0700, Joseph Ruscio wrote: > On Aug 5, 2008, at 9:23 AM, Dave Hansen wrote: > > How would you propose making it modular? > What about re-using the madvise() interface for this? Adding a flag > along the lines of MADV_DONTCHECKPOINT? I could probably work up a > patch to Oren's that removes these from the checkpointed ranges if > people think that's feasible. Seems reasonable, but I think it is jumping the gun a little bit. There are plenty of features that will get us quicker, more efficient checkpoints, but let's get *some* checkpointing in the kernel, first. :) -- Dave