barrier(); /* Prevent reloads of fbc->count */
if (ret >= 0)
return ret;
- return 1;
+ return 0;
}
static inline int percpu_counter_initialized(struct percpu_counter *fbc)
return fbc->count;
}
+/*
+ * percpu_counter is intended to track positive numbers. In the UP case the
+ * number should never be negative.
+ */
static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc)
{
return fbc->count;