Re: [RFC PATCH v5 12/19] memory-hotplug: introduce new functionarch_remove_memory()

[Heiko Carstens]

On Fri, Jul 27, 2012 at 06:32:15PM +0800, Wen Congyang wrote:
> We don't call __add_pages() directly in the function add_memory()
> because some other architecture related things need to be done
> before or after calling __add_pages(). So we should introduce
> a new function arch_remove_memory() to revert the things
> done in arch_add_memory().
> 
> Note: the function for s390 is not implemented(I don't know how to
> implement it for s390).

There is no hardware or firmware interface which could trigger a
hot memory remove on s390. So there is nothing that needs to be
implemented.

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