From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965818AbXCVGDv (ORCPT ); Thu, 22 Mar 2007 02:03:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965805AbXCVGDc (ORCPT ); Thu, 22 Mar 2007 02:03:32 -0400 Received: from ozlabs.org ([203.10.76.45]:57487 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965817AbXCVGDa (ORCPT ); Thu, 22 Mar 2007 02:03:30 -0400 To: Linux Memory Management CC: From: Benjamin Herrenschmidt Date: Thu, 22 Mar 2007 17:01:06 +1100 Subject: [RFC/PATCH 7/15] get_unmapped_area handles MAP_FIXED on parisc In-Reply-To: <1174543217.531981.572863804039.qpush@grosgo> Message-Id: <20070322060251.59746DE2A0@ozlabs.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Benjamin Herrenschmidt --- arch/parisc/kernel/sys_parisc.c | 5 +++++ 1 file changed, 5 insertions(+) Index: linux-cell/arch/parisc/kernel/sys_parisc.c =================================================================== --- linux-cell.orig/arch/parisc/kernel/sys_parisc.c 2007-03-22 15:28:05.000000000 +1100 +++ linux-cell/arch/parisc/kernel/sys_parisc.c 2007-03-22 15:29:08.000000000 +1100 @@ -106,6 +106,11 @@ unsigned long arch_get_unmapped_area(str { if (len > TASK_SIZE) return -ENOMEM; + /* Might want to check for cache aliasing issues for MAP_FIXED case + * like ARM or MIPS ??? --BenH. + */ + if (flags & MAP_FIXED) + return addr; if (!addr) addr = TASK_UNMAPPED_BASE;