linux-kernel - Re: [PATCH 2/2] tools: vm: slabinfo: Add numa information for objects

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Message-ID: <alpine.DEB.2.21.2002181623150.20682@www.lameter.com>
Date:   Tue, 18 Feb 2020 16:24:54 +0000 (UTC)
From:   Christopher Lameter <cl@...ux.com>
To:     "Tobin C. Harding" <tobin@...nel.org>
cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] tools: vm: slabinfo: Add numa information for
 objects

On Mon, 17 Feb 2020, Tobin C. Harding wrote:

> Add a field to the slabinfo struct for the NUMA information and
> output it during a NUMA report as is done for `slabs` and `partial`.

How will this look? Note that there are boxes now with potentially huge
NUMA nodes (AMD Rome can already do 32 with an optimal BIOS layout for
minimal latency).

Maybe make it optional with a --numa switch or so?