From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f181.google.com (mail-ie0-f181.google.com [209.85.223.181]) by kanga.kvack.org (Postfix) with ESMTP id 0A8EA6B0038 for ; Wed, 28 Jan 2015 17:56:22 -0500 (EST) Received: by mail-ie0-f181.google.com with SMTP id rp18so26145415iec.12 for ; Wed, 28 Jan 2015 14:56:21 -0800 (PST) Received: from resqmta-po-04v.sys.comcast.net (resqmta-po-04v.sys.comcast.net. [2001:558:fe16:19:96:114:154:163]) by mx.google.com with ESMTPS id bc8si13203674igb.36.2015.01.28.14.56.21 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 28 Jan 2015 14:56:21 -0800 (PST) Date: Wed, 28 Jan 2015 16:56:19 -0600 (CST) From: Christoph Lameter Subject: Re: [PATCH -mm v2 1/3] slub: never fail to shrink cache In-Reply-To: <20150128135752.afcb196d6ded7c16a79ed6fd@linux-foundation.org> Message-ID: References: <012683fc3a0f9fb20a288986fd63fe9f6d25e8ee.1422461573.git.vdavydov@parallels.com> <20150128135752.afcb196d6ded7c16a79ed6fd@linux-foundation.org> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Vladimir Davydov , Joonsoo Kim , Pekka Enberg , David Rientjes , Johannes Weiner , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Wed, 28 Jan 2015, Andrew Morton wrote: > The logic behind choosing "32" sounds rather rubbery. What goes wrong > if we use, say, "4"? Like more fragmentation of slab pages. -- 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