Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752458Ab2E0Dyk (ORCPT ); Sat, 26 May 2012 23:54:40 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:42521 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750816Ab2E0Dyg (ORCPT ); Sat, 26 May 2012 23:54:36 -0400 Message-ID: <4FC1A57A.7080807@fb.com> Date: Sat, 26 May 2012 20:54:34 -0700 From: Arun Sharma User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Eric Dumazet CC: David Miller , , Subject: Re: [PATCH] net: compute a more reasonable default ip6_rt_max_size References: <4FC0063E.8080209@fb.com> <20120525.185131.2017517041016424794.davem@davemloft.net> <4FC01F1B.1080009@fb.com> <20120525.201150.1782581593120395710.davem@davemloft.net> <4FC02777.5070003@fb.com> <1338003580.10135.6.camel@edumazet-glaptop> In-Reply-To: <1338003580.10135.6.camel@edumazet-glaptop> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.18.252] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.6.7580,1.0.260,0.0.0000 definitions=2012-05-27_01:2012-05-21,2012-05-27,1970-01-01 signatures=0 X-Proofpoint-Spam-Reason: safe Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 875 Lines: 26 On 5/25/12 8:39 PM, Eric Dumazet wrote: > > But your patch is not a "modest increase", so whats the deal ? > > A modest increase would be 8192 instead of 4096, regardless of RAM size. > Yes - 8192 solves our immediate problem, but I was worrying that the problem might resurface as ipv6 adoption becomes more widespread. We were testing a pre-3.0 kernel that didn't have Dave's DST_NOCOUNT patch. Will retest with that patch applied. > More over, a boot parameter to tweak it is absolutely not needed Agreed. Will remove that part. Still not sure why you'd like to go for one size regardless of totalram_pages. -Arun -- 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/