* jiffies for either a BDI to exit congestion of the given @sync queue
* or a write to complete.
*
- * In the absense of zone congestion, cond_resched() is called to yield
+ * In the absence of zone congestion, cond_resched() is called to yield
* the processor if necessary but otherwise does not sleep.
*
* The return value is 0 if the sleep is for the full timeout. Otherwise,