From: Jiri Olsa <olsajiri@gmail.com>
To: Jeff Dike <jdike@addtoit.com>, kernel-janitors@vger.kernel.org
Cc: uml-devel <user-mode-linux-devel@lists.sourceforge.net>
Subject: [uml-devel] [PATCH] uml: use DIV_ROUND_UP
Date: Tue, 19 Feb 2008 22:49:33 +0100 [thread overview]
Message-ID: <47BB4EED.7020109@gmail.com> (raw)
Hi,
I just saw similar patches in the janitor kernel's list,
and spotted place it fits.
Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
---
arch/um/drivers/ubd_kern.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b1a77b1..1e579e4 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1020,8 +1020,7 @@ static void cowify_bitmap(__u64 io_offset, int length, unsigned long *cow_mask,
* by one word. Thanks to Lynn Kerby for the fix and James McMechan
* for the original diagnosis.
*/
- if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) /
- sizeof(unsigned long) - 1))
+ if(*cow_offset == (DIV_ROUND_UP(bitmap_len, sizeof(unsigned long)) - 1))
(*cow_offset)--;
bitmap_words[0] = bitmap[*cow_offset];
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next reply other threads:[~2008-02-19 21:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-19 21:49 Jiri Olsa [this message]
2008-02-20 2:44 ` [uml-devel] [PATCH] uml: use DIV_ROUND_UP WANG Cong
2008-02-20 16:18 ` Jeff Dike
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