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| author | Tejun Heo <tj@kernel.org> | 2013-01-23 09:31:01 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-01-23 09:31:01 -0800 |
| commit | c14afb82ffff5903a701a9fb737ac20f36d1f755 (patch) | |
| tree | 304dcc7b1d7b9a5f564f7e978228e61ef41fbef2 /include/linux/kernel.h | |
| parent | 0fdff3ec6d87856cdcc99e69cf42143fdd6c56b4 (diff) | |
| parent | 1d8549085377674224bf30a368284c391a3ce40e (diff) | |
| download | lwn-c14afb82ffff5903a701a9fb737ac20f36d1f755.tar.gz lwn-c14afb82ffff5903a701a9fb737ac20f36d1f755.zip | |
Merge branch 'master' into for-3.9-async
To receive f56c3196f251012de9b3ebaff55732a9074fdaae ("async: fix
__lowest_in_progress()").
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d140e8fb075f..c566927efcbd 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -77,13 +77,15 @@ /* * Divide positive or negative dividend by positive divisor and round - * to closest integer. Result is undefined for negative divisors. + * to closest integer. Result is undefined for negative divisors 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 || (__x) > 0) ? \ + (((typeof(x))-1) > 0 || \ + ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ (((__x) + ((__d) / 2)) / (__d)) : \ (((__x) - ((__d) / 2)) / (__d)); \ } \ |