From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757084AbcCCIek (ORCPT ); Thu, 3 Mar 2016 03:34:40 -0500 Received: from outbound-smtp10.blacknight.com ([46.22.139.15]:52327 "EHLO outbound-smtp10.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754148AbcCCIej (ORCPT ); Thu, 3 Mar 2016 03:34:39 -0500 Date: Thu, 3 Mar 2016 08:34:35 +0000 From: Mel Gorman To: Li Zhang Cc: mpe@ellerman.id.au, khandual@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Li Zhang Subject: Re: [PATCH RFC 2/2] powerpc/mm: Enable page parallel initialisation Message-ID: <20160303083435.GJ2854@techsingularity.net> References: <1456988501-29046-1-git-send-email-zhlcindy@gmail.com> <1456988501-29046-3-git-send-email-zhlcindy@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <1456988501-29046-3-git-send-email-zhlcindy@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 03, 2016 at 03:01:41PM +0800, Li Zhang wrote: > From: Li Zhang > > Parallel initialisation has been enabled for X86, > boot time is improved greatly. > On Power8, for small memory, it is improved greatly. > Here is the result from my test on Power8 platform: > > For 4GB memory: 57% is improved > For 50GB memory: 22% is improve > > Signed-off-by: Li Zhang Acked-by: Mel Gorman -- Mel Gorman SUSE Labs