From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by kanga.kvack.org (Postfix) with ESMTP id B2F05828E2 for ; Thu, 3 Mar 2016 03:34:38 -0500 (EST) Received: by mail-wm0-f51.google.com with SMTP id p65so21392798wmp.0 for ; Thu, 03 Mar 2016 00:34:38 -0800 (PST) Received: from outbound-smtp10.blacknight.com (outbound-smtp10.blacknight.com. [46.22.139.15]) by mx.google.com with ESMTPS id ja2si47408911wjb.5.2016.03.03.00.34.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Mar 2016 00:34:37 -0800 (PST) Received: from mail.blacknight.com (pemlinmail06.blacknight.ie [81.17.255.152]) by outbound-smtp10.blacknight.com (Postfix) with ESMTPS id 021CA1C58AB for ; Thu, 3 Mar 2016 08:34:37 +0000 (GMT) Date: Thu, 3 Mar 2016 08:34:35 +0000 From: Mel Gorman 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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