From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [net-next PATCH V2 1/9] net: frag evictor, avoid killing warm frag queues Date: Fri, 30 Nov 2012 15:47:51 -0800 Message-ID: <20121130154751.06f7d3f7@nehalam.linuxnetplumber.net> References: <20121129161019.17754.29670.stgit@dragon> <20121129161052.17754.85017.stgit@dragon> <20121129.124427.1093031685966728935.davem@davemloft.net> <1354227470.11754.348.camel@localhost> <1354230100.3299.40.camel@edumazet-glaptop> <1354269846.11754.381.camel@localhost> <1354287134.3299.67.camel@edumazet-glaptop> <1354290335.11754.447.camel@localhost> <1354293469.3299.81.camel@edumazet-glaptop> <1354311437.11754.459.camel@localhost> <1354314319.20109.179.camel@edumazet-glaptop> <1354317815.11754.498.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , David Miller , fw@strlen.de, netdev@vger.kernel.org, pablo@netfilter.org, tgraf@suug.ch, amwang@redhat.com, kaber@trash.net, paulmck@linux.vnet.ibm.com, herbert@gondor.hengli.com.au To: Jesper Dangaard Brouer Return-path: Received: from mail.vyatta.com ([76.74.103.46]:39053 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755452Ab2K3XtI (ORCPT ); Fri, 30 Nov 2012 18:49:08 -0500 In-Reply-To: <1354317815.11754.498.camel@localhost> Sender: netdev-owner@vger.kernel.org List-ID: My $.02 is that this would be a good place to introduce lock-free auto resizing hash lists that are in the userspace RCU library. It would be a non-trivial effort to put this in the kernel, but it would let the table grow transparently.