linux-kernel - Re: [PATCH 1/4] : More use DIV_ROUND

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Date:	Sun, 17 Feb 2008 18:17:47 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Julia Lawall <julia@...u.dk>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/4] : More use DIV_ROUND_UP

On Saturday 16 February 2008, Julia Lawall wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
> (d)) but is perhaps more readable.
> 
> An extract of the semantic patch that makes this change is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
> 
> // <smpl>
> @haskernel@
> @@
> 
> #include <linux/kernel.h>
> 
> @depends on haskernel@
> expression n,d;
> @@
> 
> (
> - (n + d - 1) / d
> + DIV_ROUND_UP(n,d)
> |
> - (n + (d - 1)) / d
> + DIV_ROUND_UP(n,d)
> )
> 
> @depends on haskernel@
> expression n,d;
> @@
> 
> - DIV_ROUND_UP((n),d)
> + DIV_ROUND_UP(n,d)
> 
> @depends on haskernel@
> expression n,d;
> @@
> 
> - DIV_ROUND_UP(n,(d))
> + DIV_ROUND_UP(n,d)
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

applied, thanks
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