From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965690Ab2C3VSs (ORCPT ); Fri, 30 Mar 2012 17:18:48 -0400 Received: from www.linutronix.de ([62.245.132.108]:41180 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965669Ab2C3VSk (ORCPT ); Fri, 30 Mar 2012 17:18:40 -0400 Date: Fri, 30 Mar 2012 23:18:35 +0200 (CEST) From: Thomas Gleixner To: Arnd Bergmann cc: Greg KH , Sasha Levin , viro@zeniv.linux.org.uk, davej@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] kmsg: Use vmalloc instead of kmalloc when writing In-Reply-To: <201203302105.52987.arnd@arndb.de> Message-ID: References: <1333127067-2043-1-git-send-email-levinsasha928@gmail.com> <20120330204235.GA883@kroah.com> <201203302105.52987.arnd@arndb.de> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 30 Mar 2012, Arnd Bergmann wrote: > On Friday 30 March 2012, Thomas Gleixner wrote: > > I think so. This is an interface to inject stuff into dmesg. Limiting > > that to a reasonable size makes sense. We can probably limit it to > > something small like 1024, but I don't know about the "ideas" of those > > folks who think that it's a great idea to do it at all. > > I guess a page would be a reasonable size, similar to what we do for > sysfs. Fine with me.