linux-kernel - Re: [PATCH 1/5] x86: Change size of node ids from u8 to u16 fixup

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Message-ID: <4791052C.3090507@sgi.com>
Date:	Fri, 18 Jan 2008 11:59:40 -0800
From:	Mike Travis <travis@....com>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	mingo@...e.hu, Christoph Lameter <clameter@....com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Eric Dumazet <dada1@...mosbay.com>
Subject: Re: [PATCH 1/5] x86: Change size of node ids from u8 to u16 fixup

Jan Engelhardt wrote:
> On Jan 18 2008 10:30, travis@....com wrote:
>> --- a/include/linux/numa.h
>> +++ b/include/linux/numa.h
>> @@ -10,4 +10,10 @@
>>
>> #define MAX_NUMNODES    (1 << NODES_SHIFT)
>>
>> +#if MAX_NUMNODES > 256
>> +typedef u16 numanode_t;
>> +#else
>> +typedef u8 numanode_t;
>> +#endif
>> +
> 
> Do we really need numanode_t in userspace? I'd rather not, especially
> when its type is dependent on MAX_NUMNODES. Wrap with #ifdef __KERNEL__.


Will do, thanks.
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