mm/damon/core-test: fix damon_test_ops_registration() for DAMON_VADDR unset case
DAMON core kunit test can be executed without CONFIG_DAMON_VADDR. In the case, vaddr DAMON ops is not registered. Meanwhile, ops registration kunit test assumes the vaddr ops is registered. Check and handle the case by registrering fake vaddr ops inside the test code. Link: https://lkml.kernel.org/r/20240827030336.7930-6-sj@kernel.org Fixes: 4f540f5a ("mm/damon/core-test: add a kunit test case for ops registration") Signed-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>
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