From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yk0-f169.google.com (mail-yk0-f169.google.com [209.85.160.169]) by kanga.kvack.org (Postfix) with ESMTP id 8EF379003C7 for ; Fri, 24 Jul 2015 07:48:04 -0400 (EDT) Received: by ykfw194 with SMTP id w194so17473189ykf.0 for ; Fri, 24 Jul 2015 04:48:04 -0700 (PDT) Received: from SMTP02.CITRIX.COM (smtp02.citrix.com. [66.165.176.63]) by mx.google.com with ESMTPS id y139si5871632yke.97.2015.07.24.04.48.03 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 24 Jul 2015 04:48:04 -0700 (PDT) From: David Vrabel 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> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: xen-devel@lists.xenproject.org Cc: David Vrabel , Konrad Rzeszutek Wilk , Boris Ostrovsky , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Daniel Kiper 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org