linux-kernel - Re: [PATCH v6, part3 16/16] AVR32: fix building warnings caused by redifinitions of HZ

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Message-ID: <51964C95.2010401@gmail.com>
Date:	Fri, 17 May 2013 23:28:21 +0800
From:	Liu Jiang <liuj97@...il.com>
To:	David Howells <dhowells@...hat.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Jiang Liu <jiang.liu@...wei.com>,
	David Rientjes <rientjes@...gle.com>,
	Wen Congyang <wency@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Mark Salter <msalter@...hat.com>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Haavard Skinnemoen <hskinnemoen@...il.com>
Subject: Re: [PATCH v6, part3 16/16] AVR32: fix building warnings caused by
 redifinitions of HZ

On 05/13/2013 05:40 PM, David Howells wrote:
> Jiang Liu <liuj97@...il.com> wrote:
>
>> -#ifndef HZ
>> +#ifndef __KERNEL__
>> +   /*
>> +    * Technically, this is wrong, but some old apps still refer to it.
>> +    * The proper way to get the HZ value is via sysconf(_SC_CLK_TCK).
>> +    */
>>   # define HZ		100
>>   #endif
> Better still, use asm-generic/param.h and uapi/asm-generic/param.h for AVR32
> instead.
>
> David
>
Hi David,
         Great idea! Will use generic param.h for AVR32.
Regards!
Gerry
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