From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f172.google.com (mail-pf0-f172.google.com [209.85.192.172]) by kanga.kvack.org (Postfix) with ESMTP id C1E4D6B007E for ; Thu, 17 Mar 2016 17:50:25 -0400 (EDT) Received: by mail-pf0-f172.google.com with SMTP id 4so6654500pfd.0 for ; Thu, 17 Mar 2016 14:50:25 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id be6si14922398pad.69.2016.03.17.14.50.24 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Mar 2016 14:50:24 -0700 (PDT) Date: Thu, 17 Mar 2016 14:50:23 -0700 From: Andrew Morton Subject: Re: [PATCH 1/1] ksm: introduce ksm_max_page_sharing per page deduplication limit Message-Id: <20160317145023.537752f7bd4e3cd2e0ab03a8@linux-foundation.org> In-Reply-To: References: <1447181081-30056-1-git-send-email-aarcange@redhat.com> <1447181081-30056-2-git-send-email-aarcange@redhat.com> <20160116174953.GU31137@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Andrea Arcangeli , Davidlohr Bueso , linux-mm@kvack.org, Petr Holasek , Arjan van de Ven , Mel Gorman On Thu, 17 Mar 2016 14:34:23 -0700 (PDT) Hugh Dickins wrote: > On Mon, 18 Jan 2016, Hugh Dickins wrote: > > On Sat, 16 Jan 2016, Andrea Arcangeli wrote: > > > Hello Hugh, > > > > > > Thanks a lot for reviewing this. > > > > And thanks for your thorough reply, though I take issue with some of it :) > > > [...] > > > > I'll think about it more. > > Andrew, please ignore my reservations about Andrea's KSM max sharing > patch. The diversions I created (IPIs etc), and my rash promise to > think about it more, are serving no purpose but to delay a fix to a > real problem. Even if this fix is not quite what I dreamt of, it has > the great commendation of being self-contained within ksm.c, affecting > nothing else: so long as Andrea has time to support it, I think we're > good with it. Let Mel or I come up with better when we've devised it: > but I doubt that will be soon (I got no further on what else to do > about the compaction-migration case). OK, thanks, I'll send it Linuswards next week. http://ozlabs.org/~akpm/mmots/broken-out/ksm-introduce-ksm_max_page_sharing-per-page-deduplication-limit.patch http://ozlabs.org/~akpm/mmots/broken-out/ksm-introduce-ksm_max_page_sharing-per-page-deduplication-limit-fix-2.patch http://ozlabs.org/~akpm/mmots/broken-out/ksm-introduce-ksm_max_page_sharing-per-page-deduplication-limit-fix-3.patch -- 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