From patchwork Mon Nov 2 22:26:24 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 37459 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 8EC19B7BEB for ; Tue, 3 Nov 2009 09:30:24 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932523AbZKBW3H (ORCPT ); Mon, 2 Nov 2009 17:29:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932408AbZKBW3G (ORCPT ); Mon, 2 Nov 2009 17:29:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:6466 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932292AbZKBW3F (ORCPT ); Mon, 2 Nov 2009 17:29:05 -0500 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nA2MSrvd020786; Mon, 2 Nov 2009 17:28:54 -0500 Received: from redhat.com (vpn-6-135.tlv.redhat.com [10.35.6.135]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with SMTP id nA2MSlY3026676; Mon, 2 Nov 2009 17:28:48 -0500 Date: Tue, 3 Nov 2009 00:26:24 +0200 From: "Michael S. Tsirkin" To: netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu, linux-mm@kvack.org, akpm@linux-foundation.org, hpa@zytor.com, gregory.haskins@gmail.com, Rusty Russell , s.hetze@linux-ag.com Subject: [PATCHv6 2/3] mm: export use_mm/unuse_mm to modules Message-ID: <20091102222624.GC15184@redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.17 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org vhost net module wants to do copy to/from user from a kernel thread, which needs use_mm. Export it to modules. Acked-by: Andrea Arcangeli Signed-off-by: Michael S. Tsirkin --- mm/mmu_context.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/mm/mmu_context.c b/mm/mmu_context.c index ded9081..0777654 100644 --- a/mm/mmu_context.c +++ b/mm/mmu_context.c @@ -5,6 +5,7 @@ #include #include +#include #include #include @@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm) if (active_mm != mm) mmdrop(active_mm); } +EXPORT_SYMBOL_GPL(use_mm); /* * unuse_mm @@ -56,3 +58,4 @@ void unuse_mm(struct mm_struct *mm) enter_lazy_tlb(mm, tsk); task_unlock(tsk); } +EXPORT_SYMBOL_GPL(unuse_mm);