tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index 098de5b..4220851 100644
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -304,7 +304,7 @@
 	addr = mmap(NULL, getpagesize() * num,
 		    PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, fd, 0);
 	if (addr == MAP_FAILED)
-		err(1, "Mmaping %u pages of /dev/zero", num);
+		err(1, "Mmapping %u pages of /dev/zero", num);
 
 	/*
 	 * One neat mmap feature is that you can close the fd, and it