Messages in this thread Patch in this message | | | Date | Fri, 25 Apr 2008 13:56:17 -0400 | From | Jeff Dike <> | Subject | [PATCH 17/19] UML - use DIV_ROUND_UP |
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From: Jiri Olsa <olsajiri@gmail.com>
I just saw similar patches in the janitor kernel's list, and spotted place it fits.
Signed-off-by: Jiri Olsa <olsajiri@gmail.com> Signed-off-by: Jeff Dike <jdike@linux.intel.com> --- arch/um/drivers/ubd_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6-git/arch/um/drivers/ubd_kern.c =================================================================== --- linux-2.6-git.orig/arch/um/drivers/ubd_kern.c 2008-04-24 16:51:07.000000000 -0400 +++ linux-2.6-git/arch/um/drivers/ubd_kern.c 2008-04-24 17:06:17.000000000 -0400 @@ -1004,8 +1004,8 @@ static void cowify_bitmap(__u64 io_offse * 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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