From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756179Ab1FZXLK (ORCPT ); Sun, 26 Jun 2011 19:11:10 -0400 Received: from lucidpixels.com ([72.73.18.11]:44006 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755974Ab1FZXKU (ORCPT ); Sun, 26 Jun 2011 19:10:20 -0400 X-Greylist: delayed 343 seconds by postgrey-1.27 at vger.kernel.org; Sun, 26 Jun 2011 19:10:20 EDT Date: Sun, 26 Jun 2011 19:04:34 -0400 (EDT) From: Justin Piszcz To: linux-kernel@vger.kernel.org Subject: 2.6.39.2: page allocation failure question (__alloc_pages_nodemask+0x626/0x860) Message-ID: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, [41624.229468] irq/52-eth0: page allocation failure. order:1, mode:0x20 [41624.229472] Pid: 1980, comm: irq/52-eth0 Not tainted 2.6.39.2 #1 [41624.229474] Call Trace: [41624.229475] [] ? __alloc_pages_nodemask+0x626/0x860 [41624.229489] [] ? cache_alloc_refill+0x25e/0x4c9 [41624.229493] [] ? kmem_cache_alloc+0x7a/0xa0 [41624.229496] [] ? sk_prot_alloc.isra.41+0x3c/0x180 [41624.229499] [] ? sk_clone+0x10/0x2b0 [41624.229502] [] ? inet_csk_clone+0xb/0xa0 [41624.229506] [] ? tcp_create_openreq_child+0x21/0x4e0 [41624.229509] [] ? tcp_v4_syn_recv_sock+0x53/0x250 [41624.229511] [] ? tcp_check_req+0x2d4/0x490 [41624.229513] [] ? tcp_v4_do_rcv+0x1bf/0x290 I do have enough swap available: Mem: 16434572k total, 16165796k used, 268776k free, 9068k buffers Swap: 31246388k total, 18296k used, 31228092k free, 11210636k cached Perhaps I am just noticing this due to using the threadirq boot option but is it normal to have page allocation failures on kernel processes if physical memory use is high/full and swap is available? Justin.