[RFC] hotplug memory remove - walk_memory_resource for ppc64

KAMEZAWA Hiroyuki kamezawa.hiroyu at jp.fujitsu.com
Thu Nov 1 02:46:13 EST 2007

On Wed, 31 Oct 2007 08:02:40 -0800
Badari Pulavarty <pbadari at us.ibm.com> wrote:
> Paul's concern is, since we didn't need it so far - why we need this
> for hotplug memory remove to work ? It might break API for *unknown*
> applications. Its unfortunate that, hotplug memory add updates 
> /proc/iomem. We can deal with it later, as a separate patch.
I have no objection to skip /proc/iomem related routine when arch
doesn't need it. 

My advice is just "please take care both of hot-add and hot-remove".

If ppc64 people agreed to use arch-specific routine for detect
conventional memory, there is no problem, I think.


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