Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-19 Thread Vasilis Liaskovitis
Hi, On Tue, Sep 18, 2012 at 05:39:37PM +0800, Wen Congyang wrote: > At 09/13/2012 01:18 AM, Vasilis Liaskovitis Wrote: > > Hi, > > > > On Wed, Sep 12, 2012 at 01:20:28PM +0800, Wen Congyang wrote: > >> Hmm, seabios doesn't support ACPI table SLIT. We can specify node it for > >> dimm > >> device,

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-18 Thread Wen Congyang
At 09/13/2012 01:18 AM, Vasilis Liaskovitis Wrote: > Hi, > > On Wed, Sep 12, 2012 at 01:20:28PM +0800, Wen Congyang wrote: >>> >>> On Mon, Sep 10, 2012 at 10:01:44AM +0800, Wen Congyang wrote: At 09/10/2012 09:46 AM, Yasuaki Ishimatsu Wrote: > How do you test the patch? As Andrew says, fo

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-12 Thread Vasilis Liaskovitis
Hi, On Wed, Sep 12, 2012 at 01:20:28PM +0800, Wen Congyang wrote: > > > > On Mon, Sep 10, 2012 at 10:01:44AM +0800, Wen Congyang wrote: > >> At 09/10/2012 09:46 AM, Yasuaki Ishimatsu Wrote: > >>> How do you test the patch? As Andrew says, for hot-removing memory, > >>> we need a particular hardwa

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-11 Thread Minchan Kim
On Tue, Sep 11, 2012 at 01:18:24PM +0800, Jerry wrote: > Hi Kim, > > Thank you for your kindness. Let me clarify this: > > On ARM architecture, there are 32 bits physical addresses space. However, > the addresses space is divided into 8 banks normally. Each bank > disabled/enabled by a chip selec

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-11 Thread Wen Congyang
At 09/10/2012 09:52 PM, Vasilis Liaskovitis Wrote: > Hi, > > On Mon, Sep 10, 2012 at 10:01:44AM +0800, Wen Congyang wrote: >> At 09/10/2012 09:46 AM, Yasuaki Ishimatsu Wrote: >>> Hi Wen, >>> >>> 2012/09/01 5:49, Andrew Morton wrote: On Tue, 28 Aug 2012 18:00:07 +0800 we...@cn.fujitsu.com

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Wen Congyang
At 09/11/2012 01:18 PM, Jerry Wrote: > Hi Kim, > > Thank you for your kindness. Let me clarify this: > > On ARM architecture, there are 32 bits physical addresses space. However, > the addresses space is divided into 8 banks normally. Each bank > disabled/enabled by a chip selector signal. In my

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Jerry
Hi Kim, Thank you for your kindness. Let me clarify this: On ARM architecture, there are 32 bits physical addresses space. However, the addresses space is divided into 8 banks normally. Each bank disabled/enabled by a chip selector signal. In my platform, bank0 connects a DDR chip, and bank1 also

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Minchan Kim
Hi Jerry, On Tue, Sep 11, 2012 at 08:27:40AM +0800, Jerry wrote: > Hi Wen, > > I have been arranged a job related memory hotplug on ARM architecture. > Maybe I know some new issues about memory hotplug on ARM architecture. I > just enabled it on ARM, and it works well in my Android tablet now. >

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Jerry
Hi Wen, I have been arranged a job related memory hotplug on ARM architecture. Maybe I know some new issues about memory hotplug on ARM architecture. I just enabled it on ARM, and it works well in my Android tablet now. However, I have not send out my patches. The real reason is that I don't know

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Wen Congyang
At 09/11/2012 08:27 AM, Jerry Wrote: > Hi Wen, > > I have been arranged a job related memory hotplug on ARM architecture. > Maybe I know some new issues about memory hotplug on ARM architecture. I > just enabled it on ARM, and it works well in my Android tablet now. > However, I have not send out

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-10 Thread Vasilis Liaskovitis
Hi, On Mon, Sep 10, 2012 at 10:01:44AM +0800, Wen Congyang wrote: > At 09/10/2012 09:46 AM, Yasuaki Ishimatsu Wrote: > > Hi Wen, > > > > 2012/09/01 5:49, Andrew Morton wrote: > >> On Tue, 28 Aug 2012 18:00:07 +0800 > >> we...@cn.fujitsu.com wrote: > >> > >>> This patch series aims to support phys

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-09 Thread Wen Congyang
At 09/10/2012 09:46 AM, Yasuaki Ishimatsu Wrote: > Hi Wen, > > 2012/09/01 5:49, Andrew Morton wrote: >> On Tue, 28 Aug 2012 18:00:07 +0800 >> we...@cn.fujitsu.com wrote: >> >>> This patch series aims to support physical memory hot-remove. >> >> Have you had much review and testing feedback yet? >>

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-09-09 Thread Yasuaki Ishimatsu
Hi Wen, 2012/09/01 5:49, Andrew Morton wrote: On Tue, 28 Aug 2012 18:00:07 +0800 we...@cn.fujitsu.com wrote: This patch series aims to support physical memory hot-remove. Have you had much review and testing feedback yet? The patches can free/remove the following things: - acpi_memory_

Re: [RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-08-31 Thread Andrew Morton
On Tue, 28 Aug 2012 18:00:07 +0800 we...@cn.fujitsu.com wrote: > This patch series aims to support physical memory hot-remove. Have you had much review and testing feedback yet? > The patches can free/remove the following things: > > - acpi_memory_info : [RFC PATCH 4/

[RFC v8 PATCH 00/20] memory-hotplug: hot-remove physical memory

2012-08-28 Thread wency
From: Wen Congyang This patch series aims to support physical memory hot-remove. The patches can free/remove the following things: - acpi_memory_info : [RFC PATCH 4/19] - /sys/firmware/memmap/X/{end, start, type} : [RFC PATCH 8/19] - iomem_resource