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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-14 15:07:33 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-14 15:07:33 +0100
commitb70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch)
treed972ffd190111d699200448494fda333d28b2486 /include/linux/kernel.h
parentf42e181935d5e5670c87d31ae48063a495bbacae (diff)
parentdb6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff)
downloadtalos-op-linux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.tar.gz
talos-op-linux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.zip
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work. We need this so we can merge all the pretty drm graphs for 4.12. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index cb09238f6d32..4c26dc3a8295 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -100,16 +100,18 @@
)
/*
- * Divide positive or negative dividend by positive divisor and round
- * to closest integer. Result is undefined for negative divisors and
- * for negative dividends if the divisor variable type is unsigned.
+ * Divide positive or negative dividend by positive or negative divisor
+ * and round to closest integer. Result is undefined for negative
+ * divisors if he dividend variable type is unsigned and for negative
+ * dividends if the divisor variable type is unsigned.
*/
#define DIV_ROUND_CLOSEST(x, divisor)( \
{ \
typeof(x) __x = x; \
typeof(divisor) __d = divisor; \
(((typeof(x))-1) > 0 || \
- ((typeof(divisor))-1) > 0 || (__x) > 0) ? \
+ ((typeof(divisor))-1) > 0 || \
+ (((__x) > 0) == ((__d) > 0))) ? \
(((__x) + ((__d) / 2)) / (__d)) : \
(((__x) - ((__d) / 2)) / (__d)); \
} \
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