From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound-smtp10.blacknight.com (outbound-smtp10.blacknight.com [46.22.139.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3820E1A0342 for ; Thu, 3 Mar 2016 19:43:59 +1100 (AEDT) Received: from mail.blacknight.com (pemlinmail06.blacknight.ie [81.17.255.152]) by outbound-smtp10.blacknight.com (Postfix) with ESMTPS id 0079F1C58A7 for ; Thu, 3 Mar 2016 08:34:36 +0000 (GMT) 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 In-Reply-To: <1456988501-29046-3-git-send-email-zhlcindy@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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