From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Weiner Subject: Re: [PATCH] memory cgroup: update root memory cgroup when node is onlined Date: Thu, 18 Oct 2012 18:03:06 -0400 Message-ID: <20121018220306.GA1739@cmpxchg.org> References: <505187D4.7070404@cn.fujitsu.com> <20120913205935.GK1560@cmpxchg.org> <507CF789.6050307@cn.fujitsu.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Hugh Dickins Cc: Wen Congyang , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Jiang Liu , mhocko-AlSwsSmVLrQ@public.gmane.org, bsingharora-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, KAMEZAWA Hiroyuki , Andrew Morton , Konstantin Khlebnikov , paul.gortmaker-CWA4WttNNZF54TAoqtyWWQ@public.gmane.org On Thu, Oct 18, 2012 at 12:03:44PM -0700, Hugh Dickins wrote: > On Tue, 16 Oct 2012, Wen Congyang wrote: > > At 09/14/2012 09:36 AM, Hugh Dickins Wrote: > > > > > > Description to be filled in later: would it be needed for -stable, > > > or is onlining already broken in other ways that you're now fixing up? > > > > > > Reported-by: Tang Chen > > > Signed-off-by: Hugh Dickins > > > > Hi, all: > > > > What about the status of this patch? > > Sorry I'm being so unresponsive at the moment (or, as usual). > > When I sent the fixed version afterwards (minus mistaken VM_BUG_ON, > plus safer mem_cgroup_force_empty_list), I expected you or Konstantin > to respond with a patch to fix it as you preferred (at offline/online); > so this was on hold until we could compare and decide between them. > > In the meantime, I assume, we've all come to feel that this way is > simple, and probably the best way for now; or at least good enough, > and we all have better things to do than play with alternatives. > > I'll write up the description of the fixed version, and post it for > 3.7, including the Acks from Hannes and KAMEZAWA (assuming they carry > forward to the second version) - but probably not today or tomorrow. Mine does, thanks for asking :-)