linux-kernel - Re: 64-bit modulus operation in a 32-bit kernel

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Message-ID: <s5hzka1kn3x.wl%tiwai@suse.de>
Date:	Tue, 24 Apr 2012 20:20:50 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: 64-bit modulus operation in a 32-bit kernel

At Tue, 24 Apr 2012 13:50:01 -0400 (EDT),
Alan Stern wrote:
> 
> I need to compute the remainder when a 64-bit quantity is divided by a 
> small value (126 in this case).  The % operator doesn't work in an 
> x86/32 kernel.  What's the Right Way to do it?

div_u64_rem() in linux/math64.h?


Takashi
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