From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well Date: Fri, 15 Aug 2008 14:42:26 -0500 Message-ID: <48A5DC22.5010507@linux-foundation.org> References: <20080805210125.A897.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48986AC6.5030406@linux-foundation.org> <20080813194222.E77F.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48A2DD2C.3090602@linux-foundation.org> <2f11576a0808130714k2cd031c4nd6eea3506831cac9@mail.gmail.com> <48A2F030.9080301@linux-foundation.org> <2f11576a0808130805s6963e2a4mbb82ad7221cf80a2@mail.gmail.com> <48A48B00.1090703@linux-foundation.org> <2f11576a0808150944g678f1b8di1c4d50de7358b306@mail.gmail.com> <48A5C9D8.2030507@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Matthew Wilcox , Pekka Enberg , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mel Gorman , andi@firstfloor.org, Rik van Riel To: KOSAKI Motohiro Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:38732 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753659AbYHOTnQ (ORCPT ); Fri, 15 Aug 2008 15:43:16 -0400 In-Reply-To: <48A5C9D8.2030507@linux-foundation.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Christoph Lameter wrote: > Setting remote_node_defrag_ratio to 100 will make slub always take the remote > slab instead of allocating a new one. As pointed out by Adrian D. off list: The max remote_node_defrag_ratio is 99. Maybe we need to change the comparison in remote_node_defrag_ratio_store() to allow 100 to switch off any node local allocs?