From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f173.google.com (mail-ig0-f173.google.com [209.85.213.173]) by kanga.kvack.org (Postfix) with ESMTP id 082986B0082 for ; Thu, 4 Dec 2014 16:15:31 -0500 (EST) Received: by mail-ig0-f173.google.com with SMTP id r2so19469357igi.0 for ; Thu, 04 Dec 2014 13:15:30 -0800 (PST) Received: from resqmta-po-08v.sys.comcast.net (resqmta-po-08v.sys.comcast.net. [2001:558:fe16:19:96:114:154:167]) by mx.google.com with ESMTPS id t8si18833884ioi.6.2014.12.04.13.15.29 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 04 Dec 2014 13:15:30 -0800 (PST) Date: Thu, 4 Dec 2014 15:15:27 -0600 (CST) From: Christoph Lameter 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: owner-linux-mm@kvack.org List-ID: To: Al Viro Cc: Leonard Crestez , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sorin Dumitru 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, 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/ . Don't email: email@kvack.org