Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270825AbTGVM56 (ORCPT ); Tue, 22 Jul 2003 08:57:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270827AbTGVM56 (ORCPT ); Tue, 22 Jul 2003 08:57:58 -0400 Received: from vega.digitel2002.hu ([213.163.0.181]:18914 "HELO lgb.hu") by vger.kernel.org with SMTP id S270825AbTGVM54 (ORCPT ); Tue, 22 Jul 2003 08:57:56 -0400 Date: Tue, 22 Jul 2003 15:12:59 +0200 From: =?iso-8859-2?B?R+Fib3IgTOlu4XJ0?= To: "Deas, Jim" Cc: linux-kernel@vger.kernel.org Subject: Re: vmalloc - kmalloc and page locks Message-ID: <20030722131259.GD31455@vega.digitel2002.hu> Reply-To: lgb@lgb.hu References: <20030722130718.GB31455@vega.digitel2002.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20030722130718.GB31455@vega.digitel2002.hu> X-Operating-System: vega Linux 2.6.0-test1 i686 User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1568 Lines: 37 Errrrr ... Sorry, I did not read your mail carefully ;-( I meant in case of a user process you can use mlock() and such :) AFAIK the kernel itself is not pagable ... On Tue, Jul 22, 2003 at 03:07:18PM +0200, G?bor L?n?rt wrote: > Please read something about the mlock() and/or mlockall() functions. > The prototype can be found in [/usr/include/]sys/mman.h > You can read there: > > /* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to > be memory resident. */ > extern int mlock (__const void *__addr, size_t __len) __THROW; > [...] > /* Cause all currently mapped pages of the process to be memory resident > until unlocked by a call to the `munlockall', until the process exits, > or until the process calls `execve'. */ > extern int mlockall (int __flags) __THROW; > > On Tue, Jul 22, 2003 at 06:00:14AM -0700, Deas, Jim wrote: > > How can I look at what memory are being paged out of memory in the kernel > > or how to lock kmalloc and vmalloc pages so they do not get put to swap? > [...] > > - G?bor (larta'H) > - > 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/ -- - G?bor (larta'H) - 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/