Thread (61 messages) 61 messages, 6 authors, 2012-10-09

Re: [RFC v9 PATCH 01/21] memory-hotplug: rename remove_memory() to offline_memory()/offline_pages()

From: Yasuaki Ishimatsu <hidden>
Date: 2012-10-02 01:20:14
Also in: linux-acpi, linux-mm, linux-s390, linuxppc-dev, lkml, sparclinux

Hi Kosaki-san,

2012/09/29 7:15, KOSAKI Motohiro wrote:
On Thu, Sep 27, 2012 at 11:50 PM, Yasuaki Ishimatsu
[off-list ref] wrote:
quoted
Hi Chen,


2012/09/28 11:22, Ni zhan Chen wrote:
quoted
On 09/05/2012 05:25 PM, wency@cn.fujitsu.com wrote:
quoted
From: Yasuaki Ishimatsu <redacted>

remove_memory() only try to offline pages. It is called in two cases:
1. hot remove a memory device
2. echo offline >/sys/devices/system/memory/memoryXX/state

In the 1st case, we should also change memory block's state, and notify
the userspace that the memory block's state is changed after offlining
pages.

So rename remove_memory() to offline_memory()/offline_pages(). And in
the 1st case, offline_memory() will be used. The function
offline_memory()
is not implemented. In the 2nd case, offline_pages() will be used.

But this time there is not a function associated with add_memory.

To associate with add_memory() later, we renamed it.
Then, you introduced bisect breakage. It is definitely unacceptable.
What is "bisect breakage" meaning?

Thanks,
Yasuaki Ishimatsu
NAK.
  
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