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Date:   Thu, 2 May 2019 09:00:31 -0400
From:   Michal Hocko <mhocko@kernel.org>
To:     Barret Rhoden <brho@google.com>
Cc:     linux-mm@kvack.org, Pingfan Liu <kernelfans@gmail.com>,
        Dave Hansen <dave.hansen@intel.com>,
        Peter Zijlstra <peterz@infradead.org>, x86@kernel.org,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Tony Luck <tony.luck@intel.com>, linuxppc-dev@lists.ozlabs.org,
        linux-ia64@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH 1/2] x86, numa: always initialize all possible nodes
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On Wed 01-05-19 15:12:32, Barret Rhoden wrote:
[...]
> A more elegant solution may be to avoid registering with sysfs during early
> boot, or something else entirely.  But I figured I'd ask for help at this
> point.  =)

Thanks for the report and an excellent analysis! This is really helpful.
I will think about this some more but I am traveling this week. It seems
really awkward to register a sysfs file for an empty range. That looks
like a bug to me.

-- 
Michal Hocko
SUSE Labs