Messages in this thread | | | Subject | RE: [Fastboot] [PATCH] kexec on ia64 | Date | Wed, 5 Apr 2006 09:34:56 +0800 | From | "Zou, Nanhai" <> |
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> -----Original Message----- > From: KAMEZAWA Hiroyuki [mailto:kamezawa.hiroyu@jp.fujitsu.com] > Sent: 2006年4月5日 9:28 > To: Zou, Nanhai > Cc: ebiederm@xmission.com; khalid_aziz@hp.com; linux-kernel@vger.kernel.org; > fastboot@lists.osdl.org; linux-ia64@vger.kernel.org > Subject: Re: [Fastboot] [PATCH] kexec on ia64 > > On Wed, 5 Apr 2006 09:13:36 +0800 > "Zou, Nanhai" <nanhai.zou@intel.com> 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.
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