From: Mel Gorman <mgorman@techsingularity.net>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Christoph Hellwig <hch@infradead.org>,
Matthew Wilcox <willy@infradead.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] x86/Kconfig: deprecate DISCONTIGMEM support for 32-bit
Date: Wed, 24 Apr 2019 15:20:37 +0100 [thread overview]
Message-ID: <20190424142037.GV18914@techsingularity.net> (raw)
In-Reply-To: <1556112252-9339-3-git-send-email-rppt@linux.ibm.com>
On Wed, Apr 24, 2019 at 04:24:12PM +0300, Mike Rapoport wrote:
> Mel Gorman says:
> 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.
>
> Mark DISCONTIGMEM broken for now and remove it in a couple of releases.
>
> Suggested-by: Christoph Hellwig <hch@infradead.org>
> Suggested-by: Mel Gorman <mgorman@techsingularity.net>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
It was really Christoph that suggested marking it broken but I do agree
that it should be marked broken to see if anyone complains and if not,
there is no real reason to keep discontig available on x86.
Acked-by: Mel Gorman <mgorman@techsingularity.net>
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2019-04-24 14:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 13:24 [PATCH 0/2] x86/Kconfig: deprecate DISCONTIGMEM support for 32-bit Mike Rapoport
2019-04-24 13:24 ` [PATCH 1/2] x86/Kconfig: make SPARSEMEM default " Mike Rapoport
2019-04-24 14:19 ` Mel Gorman
2019-04-25 7:32 ` [tip:x86/mm] x86/Kconfig: Make SPARSEMEM default for 32-bit x86 tip-bot for Mike Rapoport
2019-04-24 13:24 ` [PATCH 2/2] x86/Kconfig: deprecate DISCONTIGMEM support for 32-bit Mike Rapoport
2019-04-24 14:20 ` Mel Gorman [this message]
2019-04-25 7:33 ` [tip:x86/mm] x86/Kconfig: Deprecate DISCONTIGMEM support for 32-bit x86 tip-bot for Mike Rapoport
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