Subject: Re: [RFCv2 0/9] PAPR hash page table resizing (guest side)

From: Anshuman Khandual <[email-masked]>
Date: Mon, 01 Feb 2016 11:20:03 +0530

On 01/29/2016 10:53 AM, David Gibson wrote:
> Here's a second prototype of the guest side work for runtime resizing
> of the has page table in PAPR guests.
> 
> This is now feature complete.  It implements the resizing, advertises
> it with CAS, and will automatically invoke it to maintain a good HPT
> size when memory is hot-added or hot-removed.
> 
> Patches 1-5 are standalone prerequisite cleanups that I'll be pushing
> concurrently.
> 
> David Gibson (9):
>   memblock: Don't mark memblock_phys_mem_size() as __init
>   arch/powerpc: Clean up error handling for htab_remove_mapping
>   arch/powerpc: Handle removing maybe-present bolted HPTEs
>   arch/powerpc: Clean up memory hotplug failure paths
>   arch/powerpc: Split hash page table sizing heuristic into a helper

A small nit. Please start the above commit message headers as
"powerpc/mm:" instead, which sounds more clear and uniform with
patch series related to other subsystems.

Adding Nathan in the copy, may be he will have some inputs.