From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D56D2C33CAC for ; Thu, 6 Feb 2020 09:28:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7434D20720 for ; Thu, 6 Feb 2020 09:28:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728358AbgBFJ2Z convert rfc822-to-8bit (ORCPT ); Thu, 6 Feb 2020 04:28:25 -0500 Received: from mga17.intel.com ([192.55.52.151]:56809 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727861AbgBFJ2Z (ORCPT ); Thu, 6 Feb 2020 04:28:25 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Feb 2020 01:28:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,409,1574150400"; d="scan'208";a="250005064" Received: from fmsmsx103.amr.corp.intel.com ([10.18.124.201]) by orsmga002.jf.intel.com with ESMTP; 06 Feb 2020 01:28:24 -0800 Received: from fmsmsx609.amr.corp.intel.com (10.18.126.89) by FMSMSX103.amr.corp.intel.com (10.18.124.201) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 6 Feb 2020 01:28:24 -0800 Received: from fmsmsx609.amr.corp.intel.com (10.18.126.89) by fmsmsx609.amr.corp.intel.com (10.18.126.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 6 Feb 2020 01:28:24 -0800 Received: from shsmsx154.ccr.corp.intel.com (10.239.6.54) by fmsmsx609.amr.corp.intel.com (10.18.126.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Thu, 6 Feb 2020 01:28:24 -0800 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.126]) by SHSMSX154.ccr.corp.intel.com ([169.254.7.141]) with mapi id 14.03.0439.000; Thu, 6 Feb 2020 17:28:22 +0800 From: "Wang, Wei W" To: David Hildenbrand , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" CC: "tysand@google.com" , "mst@redhat.com" , "alexander.h.duyck@linux.intel.com" , "rientjes@google.com" , "mhocko@kernel.org" , "namit@vmware.com" , "penguin-kernel@I-love.SAKURA.ne.jp" Subject: RE: [PATCH RFC] virtio_balloon: conservative balloon page shrinking Thread-Topic: [PATCH RFC] virtio_balloon: conservative balloon page shrinking Thread-Index: AQHV3Mq/N+pHUOUW3kyXc/hsfZBMQqgNWrYAgACKBvA= Date: Thu, 6 Feb 2020 09:28:22 +0000 Message-ID: <286AC319A985734F985F78AFA26841F73E4238BA@shsmsx102.ccr.corp.intel.com> References: <1580976107-16013-1-git-send-email-wei.w.wang@intel.com> <6ccbfeea-de66-20d7-0e08-a5834a3c3d3f@redhat.com> In-Reply-To: <6ccbfeea-de66-20d7-0e08-a5834a3c3d3f@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, February 6, 2020 5:10 PM, David Hildenbrand wrote: > so dropping caches (echo 3 > /proc/sys/vm/drop_caches) will no longer > deflate the balloon when conservative_shrinker=true? > Should be. Need Tyler's help to test it. Best, Wei