From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Julia Lawall <julia@diku.dk>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 1/4] : More use DIV_ROUND_UP
Date: Sun, 17 Feb 2008 18:17:47 +0100 [thread overview]
Message-ID: <200802171817.48155.bzolnier@gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0802161548370.1185@pc-041.diku.dk>
On Saturday 16 February 2008, Julia Lawall wrote:
> From: Julia Lawall <julia@diku.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@diku.dk>
applied, thanks
prev parent reply other threads:[~2008-02-17 17:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-16 14:49 [PATCH 1/4] : More use DIV_ROUND_UP Julia Lawall
2008-02-17 17:17 ` Bartlomiej Zolnierkiewicz [this message]
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