RE: [Fastboot] [PATCH] kexec on ia64

[Zou, Nanhai]

> -----Original Message-----
> From: KAMEZAWA Hiroyuki [mailto:kamezawa.hiroyu@xxxxxxxxxxxxxx]
> Sent: 2006年4月5日 9:28
> To: Zou, Nanhai
> Cc: ebiederm@xxxxxxxxxxxx; khalid_aziz@xxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> fastboot@xxxxxxxxxxxxxx; linux-ia64@xxxxxxxxxxxxxxx
> Subject: Re: [Fastboot] [PATCH] kexec on ia64
> 
> On Wed, 5 Apr 2006 09:13:36 +0800
> "Zou, Nanhai" <nanhai.zou@xxxxxxxxx> wrote:
> > > I'm working for memory hotplug. When memory is hot-added, memory layout
> > > changes.
> > > But I think there is no code to manage memory layout information of added
> memory.
> > >
> >  It reads memory layout from /proc/iomem...,
> >  If memory is hotpluged, I think we need a reload of kdump.
> >
> If /proc/iomem is updated at hotplug event (this is not updated now),
> is there no problem ?
> 
 The crash dumping kernel also needs a reload, because the physical memory list is read and saved at kdump kernel loading time instead of crashing time.

Zou Nan hai
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