linux-kernel - Re: [PATCH 02/10] x86: Change size of node ids from u8 to u16

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Message-ID: <478A6E36.1030309@cosmosbay.com>
Date:	Sun, 13 Jan 2008 21:01:58 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	travis@....com
CC:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	mingo@...e.hu, Christoph Lameter <clameter@....com>,
	Jack Steiner <steiner@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/10] x86: Change size of node ids from u8 to u16

travis@....com a écrit :
> Change the size of node ids from 8 bits to 16 bits to
> accomodate more than 256 nodes.
> 
> Signed-off-by: Mike Travis <travis@....com>
> Reviewed-by: Christoph Lameter <clameter@....com>
> ---
>  arch/x86/mm/numa_64.c      |    9 ++++++---
>  arch/x86/mm/srat_64.c      |    2 +-
>  include/asm-x86/numa_64.h  |    4 ++--
>  include/asm-x86/topology.h |    2 +-
>  4 files changed, 10 insertions(+), 7 deletions(-)

So, you think some machine is going to have more than 256 nodes ?

If so, you probably need to change 'struct memnode' too 
(include/asm-x86/mmzone_64.h)


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