From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id 538076B025E for ; Fri, 2 Dec 2016 09:10:10 -0500 (EST) Received: by mail-wm0-f70.google.com with SMTP id a20so3218584wme.5 for ; Fri, 02 Dec 2016 06:10:10 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id m88si3155460wmc.159.2016.12.02.06.10.09 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 02 Dec 2016 06:10:09 -0800 (PST) Date: Fri, 2 Dec 2016 15:10:06 +0100 From: Michal Hocko Subject: Re: [RFC PATCH v2 0/7] Speculative page faults Message-ID: <20161202141006.GO6830@dhcp22.suse.cz> References: <20161018150243.GZ3117@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Laurent Dufour Cc: "Kirill A . Shutemov" , Peter Zijlstra , Linux MM On Fri 18-11-16 12:08:44, Laurent Dufour wrote: > This is a port on kernel 4.8 of the work done by Peter Zijlstra to > handle page fault without holding the mm semaphore. > > http://linux-kernel.2935.n7.nabble.com/RFC-PATCH-0-6-Another-go-at-speculative-page-faults-tt965642.html#none > > This series is not yet functional, I'm sending it to get feedback > before going forward in the wrong direction. It's building on top of > the 4.8 kernel but some task remain stuck at runtime, so there is > still need for additional work. > > According to the review made by Kirill A. Shutemov on the Peter's > work, there are still pending issues around the VMA sequence count > management. I'll look at it right now. > > Kirill, Peter, if you have any tips on the place where VMA sequence > count should be handled, please advise. I believe that a highlevel description of the change would be _more_ than welcome. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org