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| author | Jiri Olsa <olsajiri@gmail.com> | 2008-05-12 14:01:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-13 08:02:22 -0700 |
| commit | 6d0742426c9adc7465ef5c62a99a1d3e9696ea19 (patch) | |
| tree | 4e43e596ee52096a44331de90567678019c409f9 | |
| parent | 63b9871f6ee2607f3b44e0044e145574b3f08619 (diff) | |
| download | linux-6d0742426c9adc7465ef5c62a99a1d3e9696ea19.tar.bz2 | |
uml: use DIV_ROUND_UP
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>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 5e45e39a8a8d..44ad1607be2d 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1178,8 +1178,8 @@ 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]; |