Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp2526468pxu; Sun, 18 Oct 2020 05:58:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxgwioC9yOQ5a9KOWp/IGbjJz7+ZsFbB/eOBwkZlvxGgviTEOcfluRBoCEw+adAvvJRX7nm X-Received: by 2002:a05:6402:14cd:: with SMTP id f13mr12959713edx.75.1603025900686; Sun, 18 Oct 2020 05:58:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603025900; cv=none; d=google.com; s=arc-20160816; b=z0sn5RkCgNouov1lin79x25hcGgNzEcE1d2Vp0XDvmXqPTTTnNYuXUOhLme+zxqivi IEB5KCOSX0xM2YZ2cjRUyZH6jF9ZdXLy6SIKiVhcK3USF1Laml9gSz3K4bHeu83CTZqd GelJRWfwu8jLK2YLB+sUa20/yskImz06NrhkBnJhOJOj2hJ440bWwE4LsaAGhqe0oUMc NQAsn778Pjg+ROuqZX0kYRTUb1IXCS05KGSiYiB5wn8soDnn76eKUfQp+S6rhjBT8OZ2 fsc01NHmO5LRSBEu/tNjZx/UOW1KPXKjV97jJx0C5xS4vpTcTaPwPmj6SKXh4ILz3Xsp NQDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:reply-to:message-id:subject:cc:to:from:date; bh=TWWA3pu6jSTvN+NDXx72ROuBkqQ2j51fxW5bajhASfc=; b=s14mKRVXzT/f8e64+6NfcMOLt0ujPFIySUR8NDQMW5+dn2hbT32ee9hswhLPDX8jqQ bmOc0gCm8GL5DRq4brK9+yGEOGdKt8g2xxODOUHOVUMV7s43Q9X1cZDCTX/dLAOHVzA0 wZXZX1I0WmV24+2g8DyTpNveABzjzUeBKdyWLg4AsQgSGyKOlecaWDNuuFHz1E9uIgH8 fvDWGomRlRNm4360O2tX3KRHtYuuw60psDRIZdTE9639zX2zstkOBQXNlqq2RsABhpO6 oFtXLrYbi7FmCbrddC/QgcJCVGDmkW3u26frC/qBcMvjSZFlxDOc3QfQaBo6q3qs5rkf F8AQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j8si5949716ejt.416.2020.10.18.05.57.57; Sun, 18 Oct 2020 05:58:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbgJRMuH (ORCPT + 99 others); Sun, 18 Oct 2020 08:50:07 -0400 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:41897 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725776AbgJRMuH (ORCPT ); Sun, 18 Oct 2020 08:50:07 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0UCN7nX9_1603025394; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0UCN7nX9_1603025394) by smtp.aliyun-inc.com(127.0.0.1); Sun, 18 Oct 2020 20:49:55 +0800 Date: Sun, 18 Oct 2020 20:49:54 +0800 From: Wei Yang To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux-foundation.org, Andrew Morton , "Michael S . Tsirkin" , Jason Wang , Michal Hocko , Oscar Salvador , Pankaj Gupta , Wei Yang Subject: Re: [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM) Message-ID: <20201018124954.GA51680@L-31X9LVDL-1304.local> Reply-To: Wei Yang References: <20201012125323.17509-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201012125323.17509-1-david@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 12, 2020 at 02:52:54PM +0200, David Hildenbrand wrote: >virtio-mem currently only supports device block sizes that span at most >a single Linux memory block. For example, gigantic pages in the hypervisor >result on x86-64 in a device block size of 1 GiB - when the Linux memory >block size is 128 MiB, we cannot support such devices (we fail loading the >driver). Of course, we want to support any device block size in any Linux >VM. > >Bigger device block sizes will become especially important once supporting >VFIO in QEMU - each device block has to be mapped separately, and the >maximum number of mappings for VFIO is 64k. So we usually want blocks in >the gigabyte range when wanting to grow the VM big. > >This series: >- Performs some cleanups >- Factors out existing Sub Block Mode (SBM) >- Implements memory hot(un)plug in Big Block Mode (BBM) > >I need one core-mm change, to make offline_and_remove_memory() eat bigger >chunks. > >This series is based on "next-20201009" and can be found at: > git@gitlab.com:virtio-mem/linux.git virtio-mem-dbm-v1 > I am trying to apply this patch set, while found I can't 'git fetch' this repo. Is there any other repo I would apply this patch set? -- Wei Yang Help you, Help me