From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758714AbYDCOGe (ORCPT ); Thu, 3 Apr 2008 10:06:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757021AbYDCOGY (ORCPT ); Thu, 3 Apr 2008 10:06:24 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:3621 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755577AbYDCOGX (ORCPT ); Thu, 3 Apr 2008 10:06:23 -0400 Date: Thu, 3 Apr 2008 16:06:00 +0200 From: Pavel Machek To: Eric Dumazet Cc: Ingo Molnar , David Miller , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx() Message-ID: <20080403140600.GA4507@ucw.cz> References: <47BDC848.50607@cosmosbay.com> <20080226.182120.183405235.davem@davemloft.net> <47C92F49.4070100@cosmosbay.com> <20080323.032949.194309002.davem@davemloft.net> <47E6A5FD.6060407@cosmosbay.com> <20080331094823.GA11651@elte.hu> <47F0B66C.6080404@cosmosbay.com> <20080331101237.GA12324@elte.hu> <47F1FE0A.9090501@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47F1FE0A.9090501@cosmosbay.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >the rule on x86 should be something like this: on 4K > >stacks and 64-bit [which have irqstacks] free stack > >space can go as low as 25%. On 8K stacks [which doesnt ... > 32 bits and 4K stacks (separate irq stacks) : can use > up to 25% of stack I think ingo meant 'up to 75% used'. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html