Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752017AbWHNMwU (ORCPT ); Mon, 14 Aug 2006 08:52:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752019AbWHNMwU (ORCPT ); Mon, 14 Aug 2006 08:52:20 -0400 Received: from rhun.apana.org.au ([64.62.148.172]:20996 "EHLO arnor.apana.org.au") by vger.kernel.org with ESMTP id S1752017AbWHNMwT (ORCPT ); Mon, 14 Aug 2006 08:52:19 -0400 From: Herbert Xu To: riel@redhat.com (Rik van Riel) Subject: Re: [RFC][PATCH 0/4] VM deadlock prevention -v4 Cc: johnpol@2ka.mipt.ru, phillips@google.com, a.p.zijlstra@chello.nl, indan@nul.nu, linux-mm@kvack.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net Organization: Core In-Reply-To: <44E06AC7.6090301@redhat.com> X-Newsgroups: apana.lists.os.linux.kernel,apana.lists.os.linux.netdev User-Agent: tin/1.7.4-20040225 ("Benbecula") (UNIX) (Linux/2.6.17-rc4 (i686)) Message-Id: Date: Mon, 14 Aug 2006 22:51:43 +1000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 925 Lines: 22 Rik van Riel wrote: > > That should not be any problem, since skb's (including cowed ones) > are short lived anyway. Allocating a little bit more memory is > fine when we have a guarantee that the memory will be freed again > shortly. I'm not sure about the context the comment applies to, but skb's are not necessarily short-lived. For example, they could be queued for a few seconds for ARP/NDISC and even longer for IPsec SA resolution. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - 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/