diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-07-31 17:05:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-31 17:05:27 +0200 |
| commit | 1f815faec46e83bc96039797151846b60875bb06 (patch) | |
| tree | 41a874f8090e3f69c8a9f13e3c85dd7a371e569b /tools/perf/util/include/linux/kernel.h | |
| parent | b44d50dcacea0d485ca2ff9140f8cc28ee22f28d (diff) | |
| parent | e2b34e311be3a57c9abcb927e37a57e38913714c (diff) | |
Merge branch 'linus' into timers/urgent
Merge in Linus's branch which already has timers/core merged.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 1eb804fd3fbf..b6842c1d02a8 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 |