Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933151AbaLDVPe (ORCPT ); Thu, 4 Dec 2014 16:15:34 -0500 Received: from resqmta-po-07v.sys.comcast.net ([96.114.154.166]:39840 "EHLO resqmta-po-07v.sys.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933119AbaLDVP3 (ORCPT ); Thu, 4 Dec 2014 16:15:29 -0500 Date: Thu, 4 Dec 2014 15:15:27 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Al Viro cc: Leonard Crestez , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sorin Dumitru Subject: Re: [RFC v2] percpu: Add a separate function to merge free areas In-Reply-To: <20141204205202.GP29748@ZenIV.linux.org.uk> Message-ID: References: <547E3E57.3040908@ixiacom.com> <20141204175713.GE2995@htj.dyndns.org> <5480BFAA.2020106@ixiacom.com> <20141204205202.GP29748@ZenIV.linux.org.uk> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 4 Dec 2014, Al Viro wrote: > ... except that somebody has not known that and took refcounts on e.g. > vfsmounts into percpu. With massive amounts of hilarity once docker folks > started to test the workloads that created/destroyed those in large amounts. Well, vfsmounts being a performance issue is a bit weird and unexpected. -- 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/