linux-kernel - [PATCH 7/8] memblock tests: add tests for memblock_*bottom

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Message-Id: <69524966ac92d93b45a8a8e739434d5fb31e3084.1660454730.git.remckee0@gmail.com>
Date:   Sun, 14 Aug 2022 00:53:59 -0500
From:   Rebecca Mckeever <remckee0@...il.com>
To:     Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     David Hildenbrand <david@...hat.com>,
        Rebecca Mckeever <remckee0@...il.com>
Subject: [PATCH 7/8] memblock tests: add tests for memblock_*bottom_up functions

Add simple tests for memblock_set_bottom_up() and memblock_bottom_up().

Reviewed-by: David Hildenbrand <david@...hat.com>
Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
---
 tools/testing/memblock/tests/basic_api.c | 45 ++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/tools/testing/memblock/tests/basic_api.c b/tools/testing/memblock/tests/basic_api.c
index ef5642d0863b..d7f008e7a12a 100644
--- a/tools/testing/memblock/tests/basic_api.c
+++ b/tools/testing/memblock/tests/basic_api.c
@@ -1679,6 +1679,50 @@ static int memblock_free_checks(void)
 	return 0;
 }
 
+static int memblock_set_bottom_up_check(void)
+{
+	prefix_push("memblock_set_bottom_up");
+
+	memblock_set_bottom_up(false);
+	ASSERT_EQ(memblock.bottom_up, false);
+	memblock_set_bottom_up(true);
+	ASSERT_EQ(memblock.bottom_up, true);
+
+	reset_memblock_attributes();
+	test_pass_pop();
+
+	return 0;
+}
+
+static int memblock_bottom_up_check(void)
+{
+	prefix_push("memblock_bottom_up");
+
+	memblock_set_bottom_up(false);
+	ASSERT_EQ(memblock_bottom_up(), memblock.bottom_up);
+	ASSERT_EQ(memblock_bottom_up(), false);
+	memblock_set_bottom_up(true);
+	ASSERT_EQ(memblock_bottom_up(), memblock.bottom_up);
+	ASSERT_EQ(memblock_bottom_up(), true);
+
+	reset_memblock_attributes();
+	test_pass_pop();
+
+	return 0;
+}
+
+static int memblock_bottom_up_checks(void)
+{
+	test_print("Running memblock_*bottom_up tests...\n");
+
+	prefix_reset();
+	memblock_set_bottom_up_check();
+	prefix_reset();
+	memblock_bottom_up_check();
+
+	return 0;
+}
+
 int memblock_basic_checks(void)
 {
 	memblock_initialization_check();
@@ -1686,6 +1730,7 @@ int memblock_basic_checks(void)
 	memblock_reserve_checks();
 	memblock_remove_checks();
 	memblock_free_checks();
+	memblock_bottom_up_checks();
 
 	return 0;
 }
-- 
2.25.1