Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-27 Thread Ni zhan Chen
On 09/11/2012 10:24 AM, Yasuaki Ishimatsu wrote: Hi Wen, 2012/09/11 11:15, Wen Congyang wrote: Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-27 Thread Ni zhan Chen
On 09/11/2012 10:24 AM, Yasuaki Ishimatsu wrote: Hi Wen, 2012/09/11 11:15, Wen Congyang wrote: Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com If system supports memory hot-remove, online_pages() may online removed

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Wen Congyang
Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: > From: Yasuaki Ishimatsu > > If system supports memory hot-remove, online_pages() may online removed pages. > So online_pages() need to check whether onlining pages are present or not. Because we use memory_block_change_state()

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Wen Congyang
At 09/11/2012 10:24 AM, Yasuaki Ishimatsu Wrote: > Hi Wen, > > 2012/09/11 11:15, Wen Congyang wrote: >> Hi, ishimatsu >> >> At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: >>> From: Yasuaki Ishimatsu >>> >>> If system supports memory hot-remove, online_pages() may online >>> removed pages.

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Yasuaki Ishimatsu
Hi Wen, 2012/09/11 11:15, Wen Congyang wrote: Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to check whether onlining pages are present or not.

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Yasuaki Ishimatsu
Hi Wen, 2012/09/11 11:15, Wen Congyang wrote: Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to check whether

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Wen Congyang
At 09/11/2012 10:24 AM, Yasuaki Ishimatsu Wrote: Hi Wen, 2012/09/11 11:15, Wen Congyang wrote: Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com If system supports memory hot-remove, online_pages() may online removed

Re: [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-10 Thread Wen Congyang
Hi, ishimatsu At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote: From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to check whether onlining pages are present or not. Because we use

[RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-05 Thread wency
From: Yasuaki Ishimatsu If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to check whether onlining pages are present or not. CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph

[RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not

2012-09-05 Thread wency
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com If system supports memory hot-remove, online_pages() may online removed pages. So online_pages() need to check whether onlining pages are present or not. CC: David Rientjes rient...@google.com CC: Jiang Liu liu...@gmail.com CC: Len Brown