linux-kernel - Re: DISCONTIGMEM is deprecated

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Message-ID: <25cabb7c-9602-2e09-2fe0-cad3e54595fa@linux.ee>
Date:   Tue, 23 Apr 2019 19:49:57 +0300
From:   Meelis Roos <mroos@...ux.ee>
To:     Christopher Lameter <cl@...ux.com>
Cc:     Mel Gorman <mgorman@...hsingularity.net>,
        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

>> 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