Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Jun 2002 18:16:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Jun 2002 18:16:29 -0400 Received: from web30.achilles.net ([209.151.1.2]:57236 "EHLO web30.achilles.net") by vger.kernel.org with ESMTP id ; Wed, 26 Jun 2002 18:16:28 -0400 Subject: Re: x86 Page Sizes From: Robert Love To: Dan Sturtevant Cc: linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.3 (1.0.3-6) Date: 26 Jun 2002 18:11:08 -0400 Message-Id: <1025129491.1144.7.camel@icbm> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 745 Lines: 21 On Wed, 2002-06-26 at 18:02, Dan Sturtevant wrote: > > I know the x86 linux kernel has 4K pages in userspace and 4M pages in > kernel space. These two sizes seem to be limitations of the intel > architecture (I think). > > Does anyone know a way to increase the userspace page size above 4K? > Are there any patches for a 4M userspace pagesize? Kernel has 4K pages in user and kernel space. It is the same address space and segment, just uses MMU protection. x86 does 4K pages. Robert Love - 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/