From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by kanga.kvack.org (Postfix) with ESMTP id 002B98E00A4 for ; Tue, 25 Sep 2018 15:56:01 -0400 (EDT) Received: by mail-pg1-f198.google.com with SMTP id r130-v6so10702892pgr.13 for ; Tue, 25 Sep 2018 12:56:00 -0700 (PDT) Received: from NAM04-SN1-obe.outbound.protection.outlook.com (mail-eopbgr700067.outbound.protection.outlook.com. [40.107.70.67]) by mx.google.com with ESMTPS id 7-v6si2994867pgw.401.2018.09.25.12.55.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 25 Sep 2018 12:55:59 -0700 (PDT) From: Nadav Amit Subject: Re: [PATCH v2 00/20] vmw_balloon: compaction, shrinker, 64-bit, etc. Date: Tue, 25 Sep 2018 19:55:56 +0000 Message-ID: <4E03488E-E9EC-4676-A008-C89BC61CD05A@vmware.com> References: <20180920173026.141333-1-namit@vmware.com> <20180925181548.GB25458@kroah.com> In-Reply-To: <20180925181548.GB25458@kroah.com> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-ID: <38E03D8D6F3DB242B54FC7FA56F287BA@namprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Greg Kroah-Hartman Cc: Arnd Bergmann , "linux-kernel@vger.kernel.org" , Xavier Deguillard , "Michael S. Tsirkin" , Jason Wang , "linux-mm@kvack.org" , "virtualization@lists.linux-foundation.org" at 11:15 AM, Greg Kroah-Hartman wrote: > On Thu, Sep 20, 2018 at 10:30:06AM -0700, Nadav Amit wrote: >> This patch-set adds the following enhancements to the VMware balloon >> driver: >>=20 >> 1. Balloon compaction support. >> 2. Report the number of inflated/deflated ballooned pages through vmstat= . >> 3. Memory shrinker to avoid balloon over-inflation (and OOM). >> 4. Support VMs with memory limit that is greater than 16TB. >> 5. Faster and more aggressive inflation. >>=20 >> To support compaction we wish to use the existing infrastructure. >> However, we need to make slight adaptions for it. We add a new list >> interface to balloon-compaction, which is more generic and efficient, >> since it does not require as many IRQ save/restore operations. We leave >> the old interface that is used by the virtio balloon. >>=20 >> Big parts of this patch-set are cleanup and documentation. Patches 1-13 >> simplify the balloon code, document its behavior and allow the balloon >> code to run concurrently. The support for concurrency is required for >> compaction and the shrinker interface. >>=20 >> For documentation we use the kernel-doc format. We are aware that the >> balloon interface is not public, but following the kernel-doc format may >> be useful one day. >=20 > I applied the first 16 patches. Please fix up 17 and resend. Thanks. I will update it and resend later today. Regards, Nadav