From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx187.postini.com [74.125.245.187]) by kanga.kvack.org (Postfix) with SMTP id C97F66B0033 for ; Mon, 17 Jun 2013 04:17:18 -0400 (EDT) Date: Mon, 17 Jun 2013 10:17:16 +0200 From: Michal Hocko Subject: Re: [PATCH v2 5/7] mm/page_alloc: fix doc for numa_zonelist_order Message-ID: <20130617081716.GB19194@dhcp22.suse.cz> References: <1371345290-19588-1-git-send-email-liwanp@linux.vnet.ibm.com> <1371345290-19588-5-git-send-email-liwanp@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1371345290-19588-5-git-send-email-liwanp@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Wanpeng Li Cc: Andrew Morton , David Rientjes , "Kirill A. Shutemov" , Fengguang Wu , Rik van Riel , Andrew Shewmaker , Jiri Kosina , Namjae Jeon , Jan Kara , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Sun 16-06-13 09:14:48, Wanpeng Li wrote: > The default zonelist order selecter will select "node" order if any node's > DMA zone comprises greater than 70% of its local memory instead of 60%, > according to default_zonelist_order::low_kmem_size > total * 70/100. Hmm, interesting. This comment has been incorrect since f0c0b2b808 (change zonelist order: zonelist order selection logic). > > Signed-off-by: Wanpeng Li Reviewed-by: Michal Hocko > --- > Documentation/sysctl/vm.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt > index a5717c3..15d341a 100644 > --- a/Documentation/sysctl/vm.txt > +++ b/Documentation/sysctl/vm.txt > @@ -531,7 +531,7 @@ Specify "[Dd]efault" to request automatic configuration. Autoconfiguration > will select "node" order in following case. > (1) if the DMA zone does not exist or > (2) if the DMA zone comprises greater than 50% of the available memory or > -(3) if any node's DMA zone comprises greater than 60% of its local memory and > +(3) if any node's DMA zone comprises greater than 70% of its local memory and > the amount of local memory is big enough. > > Otherwise, "zone" order will be selected. Default order is recommended unless > -- > 1.8.1.2 > > -- > 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 -- Michal Hocko SUSE Labs -- 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