Andi Kleen <[email protected]> wrote:
>
> Just noticed the ugly SGI /proc/*/numa_maps code got merged.
Been in -mm for over two months.
> I argued several times against it
OK, I either didn't notice or forgot to make a note of that.
> and I very deliberately didn't include
> a similar facility when I wrote the NUMA policy code because it's a bad
> idea.
>
>
> - it's a lot of ugly code.
> - it's basically only a debugging hack right now
> - it presents lots of kernel internal information and mempolicy
> internals (like how many people have a page mapped) etc.
> to userland that shouldn't be exposed to this.
> - the format is very complicated and the chance of bug free
> userland parsers of this is near zero.
> - there is no demonstrated application that needs it
> (there was a theoretical usecase where it might be needed,
> but there were better solutions proposed for this)
>
>
> Can the patch please be removed?
OK by me. I queued a revert patch.
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