From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752975AbdK1NaV (ORCPT ); Tue, 28 Nov 2017 08:30:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54622 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752860AbdK1NaQ (ORCPT ); Tue, 28 Nov 2017 08:30:16 -0500 From: Vitaly Kuznetsov To: Alex Ng , "K. Y. Srinivasan" Cc: linux-kernel@vger.kernel.org, Haiyang Zhang , Stephen Hemminger , Dexuan Cui , devel@linuxdriverproject.org Subject: Re: [PATCH 0/4] hv_balloon: fixes for num_pages_onlined accounting and misc improvements References: <20171108115740.911-1-vkuznets@redhat.com> Date: Tue, 28 Nov 2017 14:30:13 +0100 In-Reply-To: <20171108115740.911-1-vkuznets@redhat.com> (Vitaly Kuznetsov's message of "Wed, 8 Nov 2017 12:57:36 +0100") Message-ID: <87zi76v8d6.fsf@vitty.brq.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 28 Nov 2017 13:30:16 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vitaly Kuznetsov writes: > While doing routing code review I noticed that commit 6df8d9aaf3af > ("Drivers: hv: balloon: Correctly update onlined page count") introduced > an issue with num_pages_onlined accounting on memory offlining. Deeper look > showed that the accounting was always buggy. This is fixed in PATCH3. > PATCHes 1 and 2 are preparatory cleanups, PATCH4 adds a tracepoint to > post_status so it's now possible to see what's being sent to the host and > where the data comes from. > K. Y., Alex, did you have a chance to take a look? Thanks, -- Vitaly