UPSTREAM: mm/damon/core-test: fix wrong expectations for 'damon_split_regions_of()'
Kunit test cases for 'damon_split_regions_of()' expects the number of regions after calling the function will be same to their request ('nr_sub'). However, the requested number is just an upper-limit, because the function randomly decides the size of each sub-region. This fixes the wrong expectation. Link: https://lkml.kernel.org/r/20211028090628.14948-1-sj@kernel.org Fixes: 17ccae8bb5c9 ("mm/damon: add kunit tests") Signed-off-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> (cherry picked from commit 2e014660b3e4b7bd0e75f845cdcf745c0f632889) Bug: 228223814 Signed-off-by: Hailong Tu <tuhailong@oppo.com> Change-Id: I3237d82880ca4308dd4161de9dd957925384a333
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@ -219,14 +219,14 @@ static void damon_test_split_regions_of(struct kunit *test)
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r = damon_new_region(0, 22);
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damon_add_region(r, t);
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damon_split_regions_of(c, t, 2);
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KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 2u);
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KUNIT_EXPECT_LE(test, damon_nr_regions(t), 2u);
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damon_free_target(t);
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t = damon_new_target(42);
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r = damon_new_region(0, 220);
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damon_add_region(r, t);
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damon_split_regions_of(c, t, 4);
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KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 4u);
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KUNIT_EXPECT_LE(test, damon_nr_regions(t), 4u);
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damon_free_target(t);
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damon_destroy_ctx(c);
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}
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