linux-kernel - Re: [PATCH 1/2] x86/Kconfig: make SPARSEMEM default for 32-bit

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Message-ID: <20190424141936.GU18914@techsingularity.net>
Date:   Wed, 24 Apr 2019 15:19:36 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Mike Rapoport <rppt@...ux.ibm.com>
Cc:     x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] x86/Kconfig: make SPARSEMEM default for 32-bit

On Wed, Apr 24, 2019 at 04:24:11PM +0300, Mike Rapoport wrote:
> Sparsemem has been a default memory model for x86-64 for over a decade
> since the commit b263295dbffd ("x86: 64-bit, make sparsemem vmemmap the
> only memory model").
> 
> Make it the default for 32-bit NUMA systems (if there any left) as well.
> 
> Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>

Acked-by: Mel Gorman <mgorman@...hsingularity.net>

-- 
Mel Gorman
SUSE Labs