From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx117.postini.com [74.125.245.117]) by kanga.kvack.org (Postfix) with SMTP id D973D6B004D for ; Fri, 16 Dec 2011 08:22:00 -0500 (EST) Date: Fri, 16 Dec 2011 14:21:56 +0100 From: Stanislaw Gruszka Subject: Re: [PATCH -mm] slub: document setting min order with debug_guardpage_minorder > 0 Message-ID: <20111216132155.GA14271@redhat.com> References: <1321633507-13614-1-git-send-email-sgruszka@redhat.com> <20111212145948.GA2380@redhat.com> <201112130021.41429.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: David Rientjes Cc: "Rafael J. Wysocki" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mel Gorman , Andrea Arcangeli , Andrew Morton , Christoph Lameter On Tue, Dec 13, 2011 at 04:41:34PM -0800, David Rientjes wrote: > > > + When debug_guardpage_minorder > 0 parameter is specified, the > > > + minimum possible order is used and cannot be changed. > > > > Well, I'm not sure what you wanted to say, actually? How does one change > > debug_guardpage_minorder (or specify it), for example? Is it a kernel > > command-line switch? > > > > Yeah, we'll need a reference to Documentation/kernel-parameters.txt. > > > Also I'm not sure what "cannot be changed" is supposed to mean. Does it > > mean that /sys/cache/slab/cache/order has no effect in that case? > > > > Good point, we should say that "this tunable" cannot be used to change the > order at runtime if debug_guardpage_minorder is used on the command line. > > Stanislaw, one more revision? Ehh, I silently hoped that someone else with better English skills could fix it ;-) As Andrew already applied my patch (and fix whitespace) I'll post the incremental patch in the next e-mail. Thanks Stanislaw -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org