tree-wide: Assorted spelling fixes

In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/include/linux/hil.h b/include/linux/hil.h
index 13352d7..523785a 100644
--- a/include/linux/hil.h
+++ b/include/linux/hil.h
@@ -168,14 +168,14 @@
 	HIL_CMD_PR6	= 0x45,	/* Prompt6 */
 	HIL_CMD_PR7	= 0x46,	/* Prompt7 */
 	HIL_CMD_PRM	= 0x47,	/* Prompt (General Purpose) */
-	HIL_CMD_AK1	= 0x48,	/* Acknowlege1 */  
-	HIL_CMD_AK2	= 0x49,	/* Acknowlege2 */
-	HIL_CMD_AK3	= 0x4a,	/* Acknowlege3 */
-	HIL_CMD_AK4	= 0x4b,	/* Acknowlege4 */
-	HIL_CMD_AK5	= 0x4c,	/* Acknowlege5 */
-	HIL_CMD_AK6	= 0x4d,	/* Acknowlege6 */
-	HIL_CMD_AK7	= 0x4e,	/* Acknowlege7 */
-	HIL_CMD_ACK	= 0x4f,	/* Acknowlege (General Purpose) */
+	HIL_CMD_AK1	= 0x48,	/* Acknowledge1 */  
+	HIL_CMD_AK2	= 0x49,	/* Acknowledge2 */
+	HIL_CMD_AK3	= 0x4a,	/* Acknowledge3 */
+	HIL_CMD_AK4	= 0x4b,	/* Acknowledge4 */
+	HIL_CMD_AK5	= 0x4c,	/* Acknowledge5 */
+	HIL_CMD_AK6	= 0x4d,	/* Acknowledge6 */
+	HIL_CMD_AK7	= 0x4e,	/* Acknowledge7 */
+	HIL_CMD_ACK	= 0x4f,	/* Acknowledge (General Purpose) */
 
 	/* 0x50 to 0x78 reserved for future use  */
 	/* 0x80 to 0xEF device-specific commands */
diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index 3a2b2d9..de48d16 100644
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -64,7 +64,7 @@
   usually the condition is softened to regions that _may_ have been target of
   in-flight WRITE IO, e.g. by only lazily clearing the on-disk write-intent
   bitmap, trading frequency of meta data transactions against amount of
-  (possibly unneccessary) resync traffic.
+  (possibly unnecessary) resync traffic.
 
   If we set a hard limit on the area that may be "hot" at any given time, we
   limit the amount of resync traffic needed for crash recovery.
diff --git a/include/linux/sched.h b/include/linux/sched.h
index abdfacc..a70957b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1533,7 +1533,7 @@
 
 	struct list_head	*scm_work_list;
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-	/* Index of current stored adress in ret_stack */
+	/* Index of current stored address in ret_stack */
 	int curr_ret_stack;
 	/* Stack of return addresses for return function tracing */
 	struct ftrace_ret_stack	*ret_stack;