Re: [PATCH 2/2] x86/Kconfig: deprecate DISCONTIGMEM support for 32-bit

From: Mel Gorman
Date: Wed Apr 24 2019 - 10:20:45 EST

On Wed, Apr 24, 2019 at 04:24:12PM +0300, Mike Rapoport wrote:
> Mel Gorman says:
> 32-bit NUMA systems should be non-existent in practice. The last NUMA
> system I'm aware of that was both NUMA and 32-bit only died somewhere
> between 2004 and 2007. If someone is running a 64-bit capable system in
> 32-bit mode with NUMA, they really are just punishing themselves for fun.
> Mark DISCONTIGMEM broken for now and remove it in a couple of releases.
> Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Suggested-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>

It was really Christoph that suggested marking it broken but I do agree
that it should be marked broken to see if anyone complains and if not,
there is no real reason to keep discontig available on x86.

Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

Mel Gorman