Re: [PATCH: 012/017](RFC) Memory hotplug for new nodes v.3.(rebuild zonelists after online pages)

[Andrew Morton]

Yasunori Goto <y-goto@xxxxxxxxxxxxxx> wrote:
>
> In current code, zonelist is considered to be build once, no modification.
>  But MemoryHotplug can add new zone/pgdat. It must be updated.
> 
>  This patch modifies build_all_zonelists(). 
>  By this, build_all_zonelist() can reconfig pgdat's zonelists.
> 
>  To update them safety, this patch use stop_machine_run().

Yup, that's a good way of doing it.
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