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From: Adrian Bunk <bunk@stusta.de>
To: kernel-janitors@vger.kernel.org
Subject: Re: [KJ] argument type of generic_fls()
Date: Sat, 13 Aug 2005 14:12:14 +0000	[thread overview]
Message-ID: <20050813141214.GA8393@stusta.de> (raw)
In-Reply-To: <42FDF8E3.5010403@bfs.de>

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On Sat, Aug 13, 2005 at 03:42:59PM +0200, walter harms wrote:

> hi list,

Hi Walter,

> after the log2 discussion i was looking for log2 in kernel. i found 
> long_log2() in page_alloc.c. What the author actualy wanted was fls().
> To my confusion the generic_fls() searches only 32 bit but has an 
> argument of type int (i would expect uint32).
> Will it create confusion with 64bit int systems ? if anyone considers 
> these a problem i would add a flsl() function and replace the int with 
> uint32.

ints stay 32bit on 64bit systems.

> re
> 	walter

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed


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      reply	other threads:[~2005-08-13 14:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-13 13:42 [KJ] argument type of generic_fls() walter harms
2005-08-13 14:12 ` Adrian Bunk [this message]

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