mm/damon/vaddr: remove damon_va_apply_three_regions()

'damon_va_apply_three_regions()' is just a wrapper of its general version,
'damon_set_regions()'.  This commit replaces the wrapper calls to directly
call the general version.

Link: https://lkml.kernel.org/r/20220429160606.127307-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/damon/vaddr-test.h

@@ -109,7 +109,7 @@ static struct damon_region *__nth_region_of(struct damon_target *t, int idx)
 }
 
 /*
- * Test 'damon_va_apply_three_regions()'
+ * Test 'damon_set_regions()'
  *
  * test			kunit object
  * regions		an array containing start/end addresses of current
@@ -124,7 +124,7 @@ static struct damon_region *__nth_region_of(struct damon_target *t, int idx)
  * the change, DAMON periodically reads the mappings, simplifies it to the
  * three regions, and updates the monitoring target regions to fit in the three
  * regions.  The update of current target regions is the role of
- * 'damon_va_apply_three_regions()'.
+ * 'damon_set_regions()'.
  *
  * This test passes the given target regions and the new three regions that
  * need to be applied to the function and check whether it updates the regions
@@ -145,7 +145,7 @@ static void damon_do_test_apply_three_regions(struct kunit *test,
 		damon_add_region(r, t);
 	}
 
-	damon_va_apply_three_regions(t, three_regions);
+	damon_set_regions(t, three_regions, 3);
 
 	for (i = 0; i < nr_expected / 2; i++) {
 		r = __nth_region_of(t, i);

mm/damon/vaddr.c

@@ -281,22 +281,6 @@ static void damon_va_init(struct damon_ctx *ctx)
 	}
 }
 
-/*
- * Functions for the dynamic monitoring target regions update
- */
-
-/*
- * Update damon regions for the three big regions of the given target
- *
- * t		the given target
- * bregions	the three big regions of the target
- */
-static void damon_va_apply_three_regions(struct damon_target *t,
-		struct damon_addr_range bregions[3])
-{
-	damon_set_regions(t, bregions, 3);
-}
-
 /*
  * Update regions for current memory mappings
  */
@@ -308,7 +292,7 @@ static void damon_va_update(struct damon_ctx *ctx)
 	damon_for_each_target(t, ctx) {
 		if (damon_va_three_regions(t, three_regions))
 			continue;
-		damon_va_apply_three_regions(t, three_regions);
+		damon_set_regions(t, three_regions, 3);
 	}
 }