From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752979Ab2GZP45 (ORCPT ); Thu, 26 Jul 2012 11:56:57 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:36764 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752918Ab2GZP4w (ORCPT ); Thu, 26 Jul 2012 11:56:52 -0400 X-IronPort-AV: E=Sophos;i="4.77,659,1336363200"; d="scan'208";a="203311682" From: Stefano Stabellini To: CC: , , , , , , , , , Stefano Stabellini Subject: [PATCH 16/24] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree Date: Thu, 26 Jul 2012 16:33:58 +0100 Message-ID: <1343316846-25860-16-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Only until we get the balloon driver to work. Signed-off-by: Stefano Stabellini --- arch/arm/xen/enlighten.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 60d6d36..1476b0b 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -121,6 +121,24 @@ int __init xen_guest_init(void) return 0; } EXPORT_SYMBOL_GPL(xen_guest_init); + +/* XXX: only until balloon is properly working */ +int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) +{ + *pages = alloc_pages(highmem ? GFP_HIGHUSER : GFP_KERNEL, + get_order(nr_pages)); + if (*pages == NULL) + return -ENOMEM; + return 0; +} +EXPORT_SYMBOL_GPL(alloc_xenballooned_pages); + +void free_xenballooned_pages(int nr_pages, struct page **pages) +{ + kfree(*pages); + *pages = NULL; +} +EXPORT_SYMBOL_GPL(free_xenballooned_pages); core_initcall(xen_guest_init); static irqreturn_t xen_arm_callback(int irq, void *arg) -- 1.7.2.5