From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933371Ab0J0OY3 (ORCPT ); Wed, 27 Oct 2010 10:24:29 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:50401 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756971Ab0J0OY0 (ORCPT ); Wed, 27 Oct 2010 10:24:26 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=vypi+sSuAj4QKVDtzIZYCGc+QV+/kpZE/6wCyz/Ik9A/jqD/tA2KC/mV4ZKxeQIcrx IAOVb2oBfvnyHpIFYpbjiVv2p/ZQQM7yCJFwz198X/gbvRYtpSd8rSYgCCYLFq8Kbqub qtIF84IJkCq9iNC1kd4inmxcGVyiB03XpwPEw= Subject: Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area From: Eric Dumazet To: Tejun Heo Cc: Peter Zijlstra , Brian Gerst , x86@kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, mingo@elte.hu In-Reply-To: <4CC83067.5000009@kernel.org> References: <1288158182-1753-1-git-send-email-brgerst@gmail.com> <1288159670.2652.181.camel@edumazet-laptop> <1288173442.15336.1490.camel@twins> <1288186405.2709.117.camel@edumazet-laptop> <4CC82C2F.1020707@kernel.org> <1288187870.2709.128.camel@edumazet-laptop> <4CC83067.5000009@kernel.org> Content-Type: text/plain; charset="UTF-8" Date: Wed, 27 Oct 2010 16:24:21 +0200 Message-ID: <1288189461.2709.144.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le mercredi 27 octobre 2010 à 16:00 +0200, Tejun Heo a écrit : > Heh, interesting table. What does the same code say on 64bit? Is it > the same? > Yes this is the same 32bit : # numactl --hardware available: 2 nodes (0-1) node 0 cpus: 1 3 5 7 9 11 13 15 node 0 size: 2047 MB node 0 free: 144 MB node 1 cpus: 0 2 4 6 8 10 12 14 node 1 size: 2038 MB node 1 free: 197 MB node distances: node 0 1 0: 10 20 1: 20 10 64bit : # numactl --hardware available: 2 nodes (0-1) node 0 cpus: 1 3 5 7 9 11 13 15 node 0 size: 2047 MB node 0 free: 1868 MB node 1 cpus: 0 2 4 6 8 10 12 14 node 1 size: 2038 MB node 1 free: 1912 MB node distances: node 0 1 0: 10 20 1: 20 10 # cat /proc/buddyinfo Node 0, zone DMA 1 0 1 0 2 1 1 0 1 1 3 Node 0, zone DMA32 454 206 93 15 3 1 1 2 1 3 460 Node 1, zone DMA32 3 19 17 1 0 1 1 1 1 1 380 Node 1, zone Normal 89 67 15 6 0 2 2 0 0 3 95