---
src/journal/journald-rate-limit.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/src/journal/journald-rate-limit.c
b/src/journal/journald-rate-limit.c
index 8bd6847..e33b595 100644
--- a/src/journal/journald-rate-limit.c
+++ b/src/journal/journald-rate-limit.c
@@ -170,19 +170,9 @@ fail:
return NULL;
}
-static uint64_t u64log2(uint64_t n) {
- unsigned r;
-
- if (n <= 1)
- return 0;
-
- r = 0;
- for (;;) {
- n = n >> 1;
- if (!n)
- return r;
- r++;
- }
+static inline unsigned u64log2(uint64_t n) {
+
+ return (n > 1) ? __builtin_clzll(n) ^ 63U : 0;
}
static unsigned burst_modulate(unsigned burst, uint64_t available) {
--
1.8.1.4
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