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From: Vivek Goyal <vgoyal@in.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net,
	ebiederm@xmission.com, nanhai.zou@intel.com
Subject: Re: [Lhms-devel] Re: [PATCH] register hot-added memory to iomem resource
Date: Fri, 28 Apr 2006 14:43:49 -0400	[thread overview]
Message-ID: <20060428184349.GA28994@in.ibm.com> (raw)
In-Reply-To: <20060428092754.cf382d03.kamezawa.hiroyu@jp.fujitsu.com>

On Fri, Apr 28, 2006 at 09:27:54AM +0900, KAMEZAWA Hiroyuki wrote:
> > And how is kdump to know that memory was hot-added?  Do we generate a
> > hotplug event?
> > 
> A user program has to make memory section online from sysfs , anyway.
> 
> The hotplug script for memory hotplug will run at memory hotplug event 
> from ACPI. If a user uses /probe interface (powerpc, x86_64),
> he knows what he does. 
> 
> hot-add -> online memory -> kexec_load() is a scenario I think of.
> 

Did a quick search but can't locate a memory hotplug agent. Can you give
some pointers.

Thanks
Vivek

  parent reply	other threads:[~2006-04-28 18:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-27 11:49 [PATCH] register hot-added memory to iomem resource KAMEZAWA Hiroyuki
2006-04-27 16:10 ` [Lhms-devel] " jschopp
2006-04-28  0:47   ` KAMEZAWA Hiroyuki
2006-04-27 23:01 ` Andrew Morton
2006-04-28  0:27   ` [Lhms-devel] " KAMEZAWA Hiroyuki
2006-04-28 14:50     ` Vivek Goyal
2006-04-28 18:43     ` Vivek Goyal [this message]
2006-04-29  0:18       ` KAMEZAWA Hiroyuki

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