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Date: Sun, 10 Jan 1999 22:46:01 -0800 (PST)
From: Linus Torvalds <torvalds@transmeta.com>
Subject: Re: testing/pre-7 and do_poll()
In-Reply-To: <19990111012620.B3767@perlsupport.com>
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To: Chip Salzenberg <chip@perlsupport.com>
Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
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On Mon, 11 Jan 1999, Chip Salzenberg wrote:
> 
> Well, I forgot the (unsigned long) cast, as someone else noted:
> 
> 	timeout = ROUND_UP((unsigned long) timeout, 1000/HZ);
> 
> Otherwise, the code is Just Right.

Duh?

The above code is basically just completely wrong.

Hint: HZ is a define - not 100.

You just ended up dividing by zero on certain architectures.

		Linus

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