From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932429Ab2IQRlT (ORCPT ); Mon, 17 Sep 2012 13:41:19 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:60528 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757051Ab2IQRlL (ORCPT ); Mon, 17 Sep 2012 13:41:11 -0400 X-IronPort-AV: E=Sophos;i="4.80,437,1344211200"; d="scan'208";a="208319469" From: Stefano Stabellini To: CC: , , , , , , , , , Stefano Stabellini Subject: [PATCH v5 14/17] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree Date: Mon, 17 Sep 2012 18:39:00 +0100 Message-ID: <1347903543-2135-14-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 Acked-by: Konrad Rzeszutek Wilk --- 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 bad67ad..59bcb96 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -148,3 +148,21 @@ static int __init xen_init_events(void) return 0; } postcore_initcall(xen_init_events); + +/* 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); -- 1.7.2.5