linux-kernel - Re: [PATCH] Fix try_to_freeze_tasks()'s use of do

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Message-ID: <20080711175916.GA6261@elf.ucw.cz>
Date:	Fri, 11 Jul 2008 19:59:16 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	David Howells <dhowells@...hat.com>
Cc:	rjw@...k.pl, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix try_to_freeze_tasks()'s use of do_div()

On Fri 2008-07-11 14:21:46, David Howells wrote:
> Fix try_to_freeze_tasks()'s use of do_div() on an s64 by making elapsed_csecs64
> a u64 instead and dividing that.
> 
> Possibly this should be guarded lest the interval calculation turn up negative,
> but the possible negativity of the result of the division is cast away anyway.
> 
> This was introduced by patch 438e2ce68dfd4af4cfcec2f873564fb921db4bb5.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>

ACK.

-- 
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