include/linux/highmem.h: fix duplicated words in a comment

Change the doubled word "is" in a comment to "it is".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/ad605959-0083-4794-8d31-6b073300dd6f@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index d6e82e3de027ef6ec85eb9495a177e8f6a7e4ba7..14e6202ce47f1395b61a45dc2d7455723dfdc0aa 100644 (file)
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -73,7 +73,7 @@ static inline void kunmap(struct page *page)
  * 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