mm/damon/core-test: test only vaddr case on ops registration test

DAMON ops registration kunit test tests both vaddr and paddr use cases in
parts of the whole test cases.  Basically testing only one ops use case is
enough.  Do the test with only vaddr use case.

Link: https://lkml.kernel.org/r/20240827030336.7930-5-sj@kernel.orgSigned-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: David Gow <davidgow@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/damon/core-test.h

@@ -246,16 +246,12 @@ static void damon_test_split_regions_of(struct kunit *test)
 static void damon_test_ops_registration(struct kunit *test)
 {
 	struct damon_ctx *c = damon_new_ctx();
-	struct damon_operations ops, bak;
+	struct damon_operations ops = {.id = DAMON_OPS_VADDR}, bak;
 
-	/* DAMON_OPS_{V,P}ADDR are registered on subsys_initcall */
+	/* DAMON_OPS_VADDR is registered on subsys_initcall */
 	KUNIT_EXPECT_EQ(test, damon_select_ops(c, DAMON_OPS_VADDR), 0);
-	KUNIT_EXPECT_EQ(test, damon_select_ops(c, DAMON_OPS_PADDR), 0);
 
 	/* Double-registration is prohibited */
-	ops.id = DAMON_OPS_VADDR;
-	KUNIT_EXPECT_EQ(test, damon_register_ops(&ops), -EINVAL);
-	ops.id = DAMON_OPS_PADDR;
 	KUNIT_EXPECT_EQ(test, damon_register_ops(&ops), -EINVAL);
 
 	/* Unknown ops id cannot be registered */