From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752319AbeEKGpz (ORCPT ); Fri, 11 May 2018 02:45:55 -0400 Received: from ozlabs.org ([203.11.71.1]:41979 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751352AbeEKGpy (ORCPT ); Fri, 11 May 2018 02:45:54 -0400 Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au From: Michael Ellerman To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , aneesh.kumar@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 11/17] powerpc/nohash32: set GUARDED attribute in the PMD directly In-Reply-To: <4e87c5bd5ffe886ca202a58e5c93358bd6a34dce.1525435203.git.christophe.leroy@c-s.fr> References: <4e87c5bd5ffe886ca202a58e5c93358bd6a34dce.1525435203.git.christophe.leroy@c-s.fr> Date: Fri, 11 May 2018 16:45:52 +1000 Message-ID: <87vabur8pr.fsf@concordia.ellerman.id.au> 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 Christophe Leroy writes: > diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c > index 59be5dfcb3e9..b8c347077e02 100644 > --- a/arch/powerpc/mm/ioremap.c > +++ b/arch/powerpc/mm/ioremap.c > @@ -132,9 +132,14 @@ void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size, > if (slab_is_available()) { > struct vm_struct *area; > > - area = __get_vm_area_caller(size, VM_IOREMAP, > - ioremap_bot, IOREMAP_END, > - caller); > + if (flags & _PAGE_GUARDED) On 64-bit configs: arch/powerpc/mm/ioremap.c:135:15: error: '_PAGE_GUARDED' undeclared (first use in this function) cheers