diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 13:36:36 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 13:37:18 +0200 |
commit | ca7e0c612005937a4a5a75d3fed90459993de65c (patch) | |
tree | b574fc0f0189b52ffc87ba20c418228db556faa1 /lib/ratelimit.c | |
parent | 8141d0050d76e5695011b5ab577ec66fb51a998c (diff) | |
parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) |
Merge branch 'linus' into perf/core
Semantic conflict: arch/x86/kernel/cpu/perf_event_intel_ds.c
Merge reason: pick up latest fixes, fix the conflict
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/ratelimit.c')
-rw-r--r-- | lib/ratelimit.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/ratelimit.c b/lib/ratelimit.c index 09f5ce1810d..027a03f4c56 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -16,9 +16,14 @@ /* * __ratelimit - rate limiting * @rs: ratelimit_state data + * @func: name of calling function * - * This enforces a rate limit: not more than @rs->ratelimit_burst callbacks - * in every @rs->ratelimit_jiffies + * This enforces a rate limit: not more than @rs->burst callbacks + * in every @rs->interval + * + * RETURNS: + * 0 means callbacks will be suppressed. + * 1 means go ahead and do it. */ int ___ratelimit(struct ratelimit_state *rs, const char *func) { @@ -35,7 +40,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) * the entity that is holding the lock already: */ if (!spin_trylock_irqsave(&rs->lock, flags)) - return 1; + return 0; if (!rs->begin) rs->begin = jiffies; |