Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266536AbUAWHna (ORCPT ); Fri, 23 Jan 2004 02:43:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266537AbUAWHna (ORCPT ); Fri, 23 Jan 2004 02:43:30 -0500 Received: from gate.crashing.org ([63.228.1.57]:51418 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S266536AbUAWHn3 (ORCPT ); Fri, 23 Jan 2004 02:43:29 -0500 Subject: Re: swsusp vs pgdir From: Benjamin Herrenschmidt To: Pavel Machek Cc: Nigel Cunningham , Patrick Mochel , Linux Kernel list In-Reply-To: <20040123073426.GA211@elf.ucw.cz> References: <1074833921.975.197.camel@gaston> <20040123073426.GA211@elf.ucw.cz> Content-Type: text/plain Message-Id: <1074843781.878.1.camel@gaston> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Fri, 23 Jan 2004 18:43:18 +1100 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 19 > We test that CPU has PSE feature. That means kernel is mapped using > 4MB page tables, and I do not have to care about page tables at > all. Just enlighten me please: How do these 4Mb page tables work ? The pgdir entries contain special bits ? Then you at least must make sure the swapper_pgdir is left intact. This is the case ? (I also suppose you mean the entire linear mapping, not just the kernel, is mapped with 4M pages) Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/