From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f180.google.com (mail-ig0-f180.google.com [209.85.213.180]) by kanga.kvack.org (Postfix) with ESMTP id 8C92F6B0253 for ; Fri, 9 Oct 2015 07:52:12 -0400 (EDT) Received: by igfk2 with SMTP id k2so1186888igf.1 for ; Fri, 09 Oct 2015 04:52:12 -0700 (PDT) Received: from smtprelay.synopsys.com (smtprelay.synopsys.com. [198.182.60.111]) by mx.google.com with ESMTPS id nv7si2225845igb.3.2015.10.09.04.52.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Oct 2015 04:52:12 -0700 (PDT) From: Vineet Gupta Subject: Re: [PATCH v2 00/12] THP support for ARC Date: Fri, 9 Oct 2015 11:52:04 +0000 Message-ID: References: <1442918096-17454-1-git-send-email-vgupta@synopsys.com> <560CCC73.9080705@synopsys.com> <561789E6.9090800@synopsys.com> <20151009101046.GA8081@node> <5617A527.9030902@synopsys.com> <20151009114336.GB8081@node> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Andrew Morton , "Aneesh Kumar K.V" , "Kirill A. Shutemov" , Mel Gorman , Matthew Wilcox , Minchan Kim , "linux-arch@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" On Friday 09 October 2015 05:13 PM, Kirill A. Shutemov wrote:=0A= > Side question: I was surprised by your patchset. I didn't think about ARC= =0A= > as an architecture which would benefit from THP. How big ARC systems=0A= > nowadays? How big benefit did you measured there from THP? =0A= =0A= Hardware support for THP on ARC is relatively recent - as part of newly ann= ounced=0A= HS38x cores. So we don't have silicon yet to measure the performance benefi= ts. I'm=0A= currently testing this on our nsim simulator but we are slated to get silic= on with=0A= this pretty soon.=0A= =0A= If you were surprised by this you will likely be more with my highmem / PAE= 40=0A= support patches which I will send out early next week ;-)=0A= =0A= Customers these days want more future safety, if nothing else and these fea= tures=0A= were added per more of them wanting these in their designs.=0A= =0A= Thx for taking time to go thru this stuff !=0A= -Vineet=0A= -- 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