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Subject: Re: DISCONTIGMEM is deprecated
To:     Christopher Lameter <cl@linux.com>
Cc:     Mel Gorman <mgorman@techsingularity.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mikulas Patocka <mpatocka@redhat.com>,
        James Bottomley <James.Bottomley@hansenpartnership.com>,
        linux-parisc@vger.kernel.org, linux-mm@kvack.org,
        Vlastimil Babka <vbabka@suse.cz>,
        LKML <linux-kernel@vger.kernel.org>, linux-arch@vger.kernel.org
References: <20190419094335.GJ18914@techsingularity.net>
 <20190419140521.GI7751@bombadil.infradead.org>
 <0100016a461809ed-be5bd8fc-9925-424d-9624-4a325a7a8860-000000@email.amazonses.com>
From:   Meelis Roos <mroos@linux.ee>
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Date:   Tue, 23 Apr 2019 19:49:57 +0300
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>> ia64 (looks complicated ...)
> 
> Well as far as I can tell it was not even used 12 or so years ago on
> Itanium when I worked on that stuff.

My notes tell that on UP ia64 (RX2620), !NUMA was broken with both
SPARSEMEM and DISCONTIGMEM. NUMA+SPARSEMEM or !NUMA worked. Even
NUMA+DISCONTIGMEM worked, that was my config on 2-CPU RX2660.

-- 
Meelis Roos