From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Add new DIV_ROUND_UP_ULL macro usage for 32-bit architectures requiring
unsigned long long division of sectors * dev_max_sectors.
Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx>
---
include/linux/kernel.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 953352a..016dcc9 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -56,6 +56,8 @@
#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define DIV_ROUND_UP_ULL(ll,d) \
+ ({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; })
/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */
#define roundup(x, y) ( \
--
1.7.2.5
--
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