Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754905Ab3FPBPm (ORCPT ); Sat, 15 Jun 2013 21:15:42 -0400 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:39366 "EHLO e28smtp04.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754867Ab3FPBPJ (ORCPT ); Sat, 15 Jun 2013 21:15:09 -0400 From: Wanpeng Li To: Andrew Morton Cc: Michal Hocko , 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, Wanpeng Li Subject: [PATCH v2 5/7] mm/page_alloc: fix doc for numa_zonelist_order Date: Sun, 16 Jun 2013 09:14:48 +0800 Message-Id: <1371345290-19588-5-git-send-email-liwanp@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1371345290-19588-1-git-send-email-liwanp@linux.vnet.ibm.com> References: <1371345290-19588-1-git-send-email-liwanp@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13061601-5564-0000-0000-00000860B7AF Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1327 Lines: 30 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. Signed-off-by: Wanpeng Li --- 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/