From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753651AbbHUOFJ (ORCPT ); Fri, 21 Aug 2015 10:05:09 -0400 Received: from plane.gmane.org ([80.91.229.3]:39333 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752315AbbHUOFH (ORCPT ); Fri, 21 Aug 2015 10:05:07 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Kamalneet Singh Subject: Re: [PATCH v5 5/7] VMware balloon: Support 2m page ballooning. Date: Fri, 21 Aug 2015 14:01:54 +0000 (UTC) Message-ID: References: <1438899484-2426-1-git-send-email-moltmann@vmware.com> <1438899484-2426-6-git-send-email-moltmann@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: sea.gmane.org User-Agent: Loom/3.14 (http://gmane.org/) X-Loom-IP: 14.141.153.182 (Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Philip P. Moltmann vmware.com> writes: ... > Use 2 MB pages as the hypervisor is alwys 64bit and 2 MB is the smallest > supported super-page size. > > The code has to run on older versions of ESX and old balloon drivers run on > newer version of ESX. Hence match the capabilities with the host before 2m > page ballooning could be enabled. I applied your patchset. Is there any hardware requirement for 2M ballooning? Or any ESXi host config? My ESXi 6 installation reports the following capabilities, which doesn't include 2M balloon size. balloon capabilities: 0x1e used capabilities: 0x6 Thanks Kamal