From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935001Ab2C3Wyh (ORCPT ); Fri, 30 Mar 2012 18:54:37 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:49761 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934947Ab2C3VF5 (ORCPT ); Fri, 30 Mar 2012 17:05:57 -0400 From: Arnd Bergmann To: Thomas Gleixner Subject: Re: [PATCH] kmsg: Use vmalloc instead of kmalloc when writing Date: Fri, 30 Mar 2012 21:05:52 +0000 User-Agent: KMail/1.12.2 (Linux/3.3.0-rc1; KDE/4.3.2; x86_64; ; ) Cc: Greg KH , Sasha Levin , viro@zeniv.linux.org.uk, davej@redhat.com, linux-kernel@vger.kernel.org References: <1333127067-2043-1-git-send-email-levinsasha928@gmail.com> <20120330204235.GA883@kroah.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201203302105.52987.arnd@arndb.de> X-Provags-ID: V02:K0:Now03PC6g1oYdvxvwnGUuPOkmsIN6TzsiPaJVLv0aHN pI8OSF/EasQ67i16GrfF8bXcqGxS+VwlzOt/ZGe3+iu7hStwNq AqAzqdNWHzOQuZrygElTNhFVq7TZvlLLA2aGH8/4MUziJP7YNu HWIz+rxR90ICwOzpGrZkzoifkTeOiTbXJ1PSwKkpw6ZfoxQvzX 0xl7p7JLNflGmJ9RfL4oXJSsDChEoCmf0bdOlfPiug3W2+EFL4 ozVEQ8CYFc7Fz9gSZoEQyohGfXsXvMaXQP9wMK1agE2DJ5u2Va fwlUBNoxh25rO45msgpwOJPA5iJzHPIhGVOs1O+h/RsrtHD8xA Ps+VvdL7kVk1gBWZPFqw= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Arnd