From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tang Chen Subject: Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE. Date: Thu, 15 Aug 2013 20:52:26 +0800 Message-ID: <520CCF0A.9050206@cn.fujitsu.com> References: <5208FBBC.2080304@zytor.com> <20130812152343.GK15892@htj.dyndns.org> <52090D7F.6060600@gmail.com> <20130812164650.GN15892@htj.dyndns.org> <5209CEC1.8070908@cn.fujitsu.com> <520A02DE.1010908@cn.fujitsu.com> <520C947B.40407@cn.fujitsu.com> <20130815121900.GA14606@htj.dyndns.org> <520CCD41.5000508@cn.fujitsu.com> <20130815124925.GB14606@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130815124925.GB14606@htj.dyndns.org> Sender: owner-linux-mm@kvack.org To: Tejun Heo Cc: Yinghai Lu , Tang Chen , "H. Peter Anvin" , Bob Moore , Lv Zheng , "Rafael J. Wysocki" , Len Brown , Thomas Gleixner , Ingo Molnar , Andrew Morton , Thomas Renninger , Jiang Liu , Wen Congyang , Lai Jiangshan , Yasuaki Ishimatsu , Taku Izumi , Mel Gorman , Minchan Kim , "mina86@mina86.com" , "gong.chen@linux.intel.com" , Vasilis Liaskovitis List-Id: linux-acpi@vger.kernel.org On 08/15/2013 08:49 PM, Tejun Heo wrote: > Hello, > > On Thu, Aug 15, 2013 at 08:44:49PM +0800, Tang Chen wrote: >> I wanted to ask for some comment to the above solution. When I was >> coding, I found that change the behavior of pagetable initialization >> could be ugly. We should start from the middle of the memory, where >> the kernel image is, but not the end of memory. >> >> I'm not asking for any detail comment, just seeing from the description, >> is it acceptable ? > > Hmmm... I can't really tell without knowing how ugly it gets and why. > Do you mind posting a draft patch so that we can have better context? Sure. I'll try my best to post a draft patch tomorrow. Thanks. :) -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx112.postini.com [74.125.245.112]) by kanga.kvack.org (Postfix) with SMTP id F2C906B0032 for ; Thu, 15 Aug 2013 09:13:45 -0400 (EDT) Message-ID: <520CCF0A.9050206@cn.fujitsu.com> Date: Thu, 15 Aug 2013 20:52:26 +0800 From: Tang Chen MIME-Version: 1.0 Subject: Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE. References: <5208FBBC.2080304@zytor.com> <20130812152343.GK15892@htj.dyndns.org> <52090D7F.6060600@gmail.com> <20130812164650.GN15892@htj.dyndns.org> <5209CEC1.8070908@cn.fujitsu.com> <520A02DE.1010908@cn.fujitsu.com> <520C947B.40407@cn.fujitsu.com> <20130815121900.GA14606@htj.dyndns.org> <520CCD41.5000508@cn.fujitsu.com> <20130815124925.GB14606@htj.dyndns.org> In-Reply-To: <20130815124925.GB14606@htj.dyndns.org> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: Yinghai Lu , Tang Chen , "H. Peter Anvin" , Bob Moore , Lv Zheng , "Rafael J. Wysocki" , Len Brown , Thomas Gleixner , Ingo Molnar , Andrew Morton , Thomas Renninger , Jiang Liu , Wen Congyang , Lai Jiangshan , Yasuaki Ishimatsu , Taku Izumi , Mel Gorman , Minchan Kim , "mina86@mina86.com" , "gong.chen@linux.intel.com" , Vasilis Liaskovitis , "lwoodman@redhat.com" , Rik van Riel , "jweiner@redhat.com" , Prarit Bhargava , Zhang Yanfei , "yanghy@cn.fujitsu.com" , the arch/x86 maintainers , "linux-doc@vger.kernel.org" , Linux Kernel Mailing List , Linux MM , ACPI Devel Maling List , "Luck, Tony (tony.luck@intel.com)" On 08/15/2013 08:49 PM, Tejun Heo wrote: > Hello, > > On Thu, Aug 15, 2013 at 08:44:49PM +0800, Tang Chen wrote: >> I wanted to ask for some comment to the above solution. When I was >> coding, I found that change the behavior of pagetable initialization >> could be ugly. We should start from the middle of the memory, where >> the kernel image is, but not the end of memory. >> >> I'm not asking for any detail comment, just seeing from the description, >> is it acceptable ? > > Hmmm... I can't really tell without knowing how ugly it gets and why. > Do you mind posting a draft patch so that we can have better context? Sure. I'll try my best to post a draft patch tomorrow. Thanks. :) -- 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