From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id 83C756B0069 for ; Mon, 21 Nov 2011 08:46:15 -0500 (EST) Subject: Re: [patch] mm: memcg: shorten preempt-disabled section around event checks From: Steven Rostedt In-Reply-To: <20111121110954.GE1771@redhat.com> References: <20111121110954.GE1771@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 21 Nov 2011 08:46:07 -0500 Message-ID: <1321883167.20742.4.camel@frodo> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Andrew Morton , KAMEZAWA Hiroyuki , Michal Hocko , Yong Zhang , Luis Henriques , Thomas Gleixner , Peter Zijlstra , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org On Mon, 2011-11-21 at 12:09 +0100, Johannes Weiner wrote: > -rt ran into a problem with the soft limit spinlock inside the > non-preemptible section, because that is sleeping inside an atomic > context. But I think it makes sense for vanilla, too, to keep the > non-preemptible section as short as possible. Also, -3 lines. > Johannes, Thanks for this patch. It is very much appreciated by us -rt folks :) -- Steve -- 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