* no global lock is needed and because the kmap code must perform a global TLB
* invalidation when the kmap pool wraps.
*
- * However when holding an atomic kmap is is not legal to sleep, so atomic
+ * However when holding an atomic kmap it is not legal to sleep, so atomic
* kmaps are appropriate for short, tight code paths only.
*
* The use of kmap_atomic/kunmap_atomic is discouraged - kmap/kunmap