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| author | Grant Likely <grant.likely@secretlab.ca> | 2012-07-24 22:31:09 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-07-24 22:34:40 -0600 |
| commit | 6aeea3ecc33b1f36dbc3b80461d15a7052ae424f (patch) | |
| tree | bbd273e3e0ca76094aed8e9c77e5adfe2b07f779 /tools/perf/util/include/linux/kernel.h | |
| parent | 9844a5524ec532aee826c35e3031637c7fc8287b (diff) | |
| parent | bdc0077af574800d24318b6945cf2344e8dbb050 (diff) | |
Merge remote-tracking branch 'origin' into irqdomain/next
Diffstat (limited to 'tools/perf/util/include/linux/kernel.h')
| -rw-r--r-- | tools/perf/util/include/linux/kernel.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index 1eb804fd3fb..b6842c1d02a 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -108,4 +108,14 @@ int eprintf(int level, #define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__) #define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__) +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + #endif |