From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f178.google.com (mail-ie0-f178.google.com [209.85.223.178]) by kanga.kvack.org (Postfix) with ESMTP id 203026B003A for ; Tue, 25 Mar 2014 12:53:56 -0400 (EDT) Received: by mail-ie0-f178.google.com with SMTP id lx4so665324iec.37 for ; Tue, 25 Mar 2014 09:53:56 -0700 (PDT) Received: from qmta05.emeryville.ca.mail.comcast.net (qmta05.emeryville.ca.mail.comcast.net. [2001:558:fe2d:43:76:96:30:48]) by mx.google.com with ESMTP id nz8si19965842icb.69.2014.03.25.09.53.50 for ; Tue, 25 Mar 2014 09:53:50 -0700 (PDT) Date: Tue, 25 Mar 2014 11:53:48 -0500 (CDT) From: Christoph Lameter Subject: Re: Bug in reclaim logic with exhausted nodes? In-Reply-To: <20140325162303.GA29977@linux.vnet.ibm.com> Message-ID: References: <20140311210614.GB946@linux.vnet.ibm.com> <20140313170127.GE22247@linux.vnet.ibm.com> <20140324230550.GB18778@linux.vnet.ibm.com> <20140325162303.GA29977@linux.vnet.ibm.com> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Nishanth Aravamudan Cc: linux-mm@kvack.org, rientjes@google.com, linuxppc-dev@lists.ozlabs.org, anton@samba.org, mgorman@suse.de On Tue, 25 Mar 2014, Nishanth Aravamudan wrote: > On 25.03.2014 [11:17:57 -0500], Christoph Lameter wrote: > > On Mon, 24 Mar 2014, Nishanth Aravamudan wrote: > > > > > Anyone have any ideas here? > > > > Dont do that? Check on boot to not allow exhausting a node with huge > > pages? > > Gigantic hugepages are allocated by the hypervisor (not the Linux VM), Ok so the kernel starts booting up and then suddenly the hypervisor takes the 2 16G pages before even the slab allocator is working? Not sure if I understand that correctly. -- 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/ . Don't email: email@kvack.org