Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753808AbbGXLsH (ORCPT ); Fri, 24 Jul 2015 07:48:07 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:21764 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753765AbbGXLsE (ORCPT ); Fri, 24 Jul 2015 07:48:04 -0400 X-IronPort-AV: E=Sophos;i="5.15,538,1432598400"; d="scan'208";a="287230500" From: David Vrabel To: CC: David Vrabel , Konrad Rzeszutek Wilk , Boris Ostrovsky , , , Daniel Kiper Subject: [PATCHv2 00/10] mm, xen/balloon: memory hotplug improvements Date: Fri, 24 Jul 2015 12:47:38 +0100 Message-ID: <1437738468-24110-1-git-send-email-david.vrabel@citrix.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Content-Type: text/plain X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 24 The series improves the use of hotplug memory in the Xen balloon driver. - Reliably find a non-conflicting location for the hotplugged memory (this fixes memory hotplug in a number of cases, particularly in dom0). - Use hotplugged memory for alloc_xenballooned_pages() (keeping more memory available for the domain and reducing fragmentation of the p2m). Changes in v2: - New BP_WAIT state to signal the balloon process to wait for userspace to online the new memory. - Preallocate P2M entries in alloc_xenballooned_pages() so they do not need allocated later (in a context where GFP_KERNEL allocations are not possible). David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/