Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 27 Aug 2002 15:10:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 27 Aug 2002 15:10:15 -0400 Received: from nat-pool-rdu.redhat.com ([66.187.233.200]:65036 "EHLO devserv.devel.redhat.com") by vger.kernel.org with ESMTP id ; Tue, 27 Aug 2002 15:10:14 -0400 Date: Tue, 27 Aug 2002 15:14:26 -0400 From: Pete Zaitcev Message-Id: <200208271914.g7RJEQE07821@devserv.devel.redhat.com> To: "chen, xiangping" Cc: linux-kernel@vger.kernel.org Subject: Re: Is it possible to use 8K page size on a i386 pc? In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 735 Lines: 22 >[...] > I just wonder how PAGE_SIZE in determined in each architecture? Is it > possible to use 8k or bigger page size in a i386 PC? > > Thanks, > Xiangping You may run into trouble with something that calls mmap with a fixed address, with executables which have text sizes of odd number of small pages. I was told that these problems are fairly rare. Running a bigger page size does nothing to help your TLB coverage, but it might improve paging performance (or it might not). -- Pete - 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/