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Commit 6d074242 authored by Jiri Olsa's avatar Jiri Olsa Committed by Linus Torvalds
Browse files

uml: use DIV_ROUND_UP 



I just saw similar patches in the janitor kernel's list, and spotted place it
fits.

Signed-off-by: default avatarJiri Olsa <olsajiri@gmail.com>
Signed-off-by: default avatarJeff Dike <jdike@linux.intel.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 63b9871f

arch/um/drivers/ubd_kern.c

+2 −2
Original line number Diff line number Diff line
@@ -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];