[RFC][PATCH] remove section mappinng

[Paul Mackerras]

Badari Pulavarty writes:

> Thank you for your input and suggestions. Does this look reasonable
> to you ?
> 
> Thanks,
> Badari
> 
> For memory remove, we need to clean up htab mappings for the
> section of the memory we are removing.
> 
> This patch implements support for removing htab bolted mappings
> for ppc64 lpar. Other sub-archs, may need to implement similar
> functionality for the hotplug memory remove to work. 

Looks OK to me.

Paul.