From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id AC9218D000E for ; Thu, 2 Dec 2010 00:07:29 -0500 (EST) Date: Thu, 2 Dec 2010 00:07:26 -0500 (EST) From: caiqian@redhat.com Message-ID: <373935679.1026851291266446567.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <1043135380.1026761291266384009.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> Subject: Re: oom is broken in mmotm 2010-11-09-15-31 tree? MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: CAI Qian Cc: linux-mm , Michel Lespinasse , Rik van Riel , Wu Fengguang , "H. Peter Anvin" , Linus Torvalds List-ID: > [ 580.192024] kswapd0 33 49939.236793 5021 120 > 49939.236793 39855.128906 456899.562827 / Follow-up on this, kswapd0 was doing this from SysRq-T output, [ 2836.085008] kswapd0 R running task 0 33 2 0x00000000 [ 2836.085008] ffff8802276f9b10 0000000000000046 0000000000000000 ffffffff8100a84e [ 2836.085008] 00000000000136c0 00000000000136c0 00000000000136c0 ffff88022b70c590 [ 2836.085008] 00000000000136c0 ffff8802276f9fd8 00000000000136c0 00000000000136c0 [ 2836.085008] Call Trace: [ 2836.085008] [] ? call_function_interrupt+0xe/0x20 [ 2836.085008] [] ? mem_cgroup_del_lru_list+0x42/0x76 [ 2836.085008] [] __cond_resched+0x2a/0x35 [ 2836.085008] [] _cond_resched+0x1b/0x22 [ 2836.085008] [] shrink_page_list+0x53/0x469 [ 2836.085008] [] ? update_isolated_counts.clone.27+0x13d/0x15b [ 2836.085008] [] shrink_inactive_list+0x22b/0x376 [ 2836.085008] [] ? determine_dirtyable_memory+0x1d/0x26 [ 2836.085008] [] shrink_zone+0x32e/0x3ca [ 2836.085008] [] ? _raw_spin_lock+0xe/0x10 [ 2836.085008] [] balance_pgdat+0x242/0x417 [ 2836.085008] [] kswapd+0x226/0x23c [ 2836.085008] [] ? autoremove_wake_function+0x0/0x39 [ 2836.085008] [] ? _raw_spin_unlock_irqrestore+0x17/0x19 [ 2836.085008] [] ? kswapd+0x0/0x23c [ 2836.085008] [] kthread+0x82/0x8a [ 2836.085008] [] kernel_thread_helper+0x4/0x10 [ 2836.085008] [] ? kthread+0x0/0x8a [ 2836.085008] [] ? kernel_thread_helper+0x0/0x10 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org