From: Jiri Olsa Date: Tue, 19 Feb 2008 21:49:33 +0000 Subject: [PATCH] uml: use DIV_ROUND_UP Message-Id: <47BB4EED.7020109@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Hi, I just saw similar patches in the janitor kernel's list, and spotted place it fits. Signed-off-by: Jiri Olsa --- 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];