linux-kernel - Re: [PATCH] x86: Fix CONFIG

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Message-ID: <4ABE6F3A.9000901@ens-lyon.org>
Date:	Sat, 26 Sep 2009 21:44:58 +0200
From:	Brice Goglin <Brice.Goglin@...-lyon.org>
To:	Andi Kleen <andi@...stfloor.org>
CC:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Fix CONFIG_NUMA help message

Andi Kleen wrote:
> Noticed recently while looking at this file. The x86 NUMA Kconfig help
> entry is not quite correct.
>
> - Core i7 systems are always non NUMA. Refer to multi socket Nehalems instead.
> - Replace outdated EM64T term with Intel 64
>
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  arch/x86/Kconfig |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 384a897..47c81bd 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1118,8 +1118,9 @@ config NUMA
>  	  local memory controller of the CPU and add some more
>  	  NUMA awareness to the kernel.
>  
> -	  For 64-bit this is recommended if the system is Intel Core i7
> -	  (or later), AMD Opteron, or EM64T NUMA.
> +	  For 64-bit this is recommended if the system is Intel Xeon 75xx
> +	  (Intel Nehalem based multi socket systems), AMD Opteron, or Intel
> +          64 NUMA.
>  
>  	  For 32-bit this is only needed on (rare) 32-bit-only platforms
>  	  that support NUMA topologies, such as NUMAQ / Summit, or if you
>   

Why Xeon 75xx and not 55xx ?

Brice

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