linux-kernel - Re: DISCONTIGMEM is deprecated

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Date:   Tue, 23 Apr 2019 00:13:54 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Mel Gorman <mgorman@...hsingularity.net>
Cc:     Matthew Wilcox <willy@...radead.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mikulas Patocka <mpatocka@...hat.com>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        linux-parisc@...r.kernel.org, linux-mm@...ck.org,
        Vlastimil Babka <vbabka@...e.cz>,
        LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org
Subject: Re: DISCONTIGMEM is deprecated

On Sun, Apr 21, 2019 at 10:16:04PM +0100, Mel Gorman wrote:
> 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.

Can we mark it as BROKEN to see if someone shouts and then remove it
a year or two down the road?  Or just kill it off now..