mm/damon: fix a few spelling mistakes in comments and a pr_debug message

There are a few spelling mistakes in the code.  Fix these.

Link: https://lkml.kernel.org/r/20211028184157.614544-1-colin.i.king@gmail.comSigned-off-by: NColin Ian King <colin.i.king@gmail.com>
Reviewed-by: NSeongJae Park <sj@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/damon/core.c

@@ -959,7 +959,7 @@ static unsigned long damos_wmark_wait_us(struct damos *scheme)
 	/* higher than high watermark or lower than low watermark */
 	if (metric > scheme->wmarks.high || scheme->wmarks.low > metric) {
 		if (scheme->wmarks.activated)
-			pr_debug("inactivate a scheme (%d) for %s wmark\n",
+			pr_debug("deactivate a scheme (%d) for %s wmark\n",
 					scheme->action,
 					metric > scheme->wmarks.high ?
 					"high" : "low");

mm/damon/dbgfs-test.h

@@ -145,7 +145,7 @@ static void damon_dbgfs_test_set_init_regions(struct kunit *test)
 
 		KUNIT_EXPECT_STREQ(test, (char *)buf, expect);
 	}
-	/* Put invlid inputs and check the return error code */
+	/* Put invalid inputs and check the return error code */
 	for (i = 0; i < ARRAY_SIZE(invalid_inputs); i++) {
 		input = invalid_inputs[i];
 		pr_info("input: %s\n", input);

mm/damon/vaddr-test.h

@@ -233,7 +233,7 @@ static void damon_test_apply_three_regions3(struct kunit *test)
  * and 70-100) has totally freed and mapped to different area (30-32 and
  * 65-68).  The target regions which were in the old second and third big
  * regions should now be removed and new target regions covering the new second
- * and third big regions should be crated.
+ * and third big regions should be created.
  */
 static void damon_test_apply_three_regions4(struct kunit *test)
 {