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From: Wei Yang <richard.weiyang@gmail.com>
To: rppt@kernel.org, akpm@linux-foundation.org
Cc: linux-mm@kvack.org, Wei Yang <richard.weiyang@gmail.com>
Subject: [PATCH 5/6] memblock tests: add memblock_overlaps_region_checks
Date: Sun, 14 Apr 2024 00:45:30 +0000	[thread overview]
Message-ID: <20240414004531.6601-5-richard.weiyang@gmail.com> (raw)
In-Reply-To: <20240414004531.6601-1-richard.weiyang@gmail.com>

Add a test case for memblock_overlaps_region().

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 tools/testing/memblock/tests/basic_api.c | 48 ++++++++++++++++++++++++
 tools/testing/memblock/tests/common.h    |  3 ++
 2 files changed, 51 insertions(+)

diff --git a/tools/testing/memblock/tests/basic_api.c b/tools/testing/memblock/tests/basic_api.c
index f1569ebb9872..5adb0c1eaab9 100644
--- a/tools/testing/memblock/tests/basic_api.c
+++ b/tools/testing/memblock/tests/basic_api.c
@@ -2143,6 +2143,53 @@ static int memblock_trim_memory_checks(void)
 	return 0;
 }
 
+static int memblock_overlaps_region_check(void)
+{
+	struct region r = {
+		.base = SZ_1G,
+		.size = SZ_4M
+	};
+
+	PREFIX_PUSH();
+
+	reset_memblock_regions();
+	memblock_add(r.base, r.size);
+
+	/* Far Away */
+	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1M, SZ_1M));
+	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_2G, SZ_1M));
+
+	/* Neighbor */
+	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_1M, SZ_1M));
+	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_4M, SZ_1M));
+
+	/* Partial Overlap */
+	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_1M, SZ_2M));
+	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_2M, SZ_2M));
+
+	/* Totally Overlap */
+	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G, SZ_4M));
+	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_2M, SZ_8M));
+	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_1M, SZ_1M));
+
+	test_pass_pop();
+
+	return 0;
+}
+
+static int memblock_overlaps_region_checks(void)
+{
+	prefix_reset();
+	prefix_push("memblock_overlaps_region");
+	test_print("Running memblock_overlaps_region tests...\n");
+
+	memblock_overlaps_region_check();
+
+	prefix_pop();
+
+	return 0;
+}
+
 int memblock_basic_checks(void)
 {
 	memblock_initialization_check();
@@ -2152,6 +2199,7 @@ int memblock_basic_checks(void)
 	memblock_free_checks();
 	memblock_bottom_up_checks();
 	memblock_trim_memory_checks();
+	memblock_overlaps_region_checks();
 
 	return 0;
 }
diff --git a/tools/testing/memblock/tests/common.h b/tools/testing/memblock/tests/common.h
index b5ec59aa62d7..d8f4c9e64055 100644
--- a/tools/testing/memblock/tests/common.h
+++ b/tools/testing/memblock/tests/common.h
@@ -39,6 +39,9 @@ enum test_flags {
 	assert((_expected) == (_seen)); \
 } while (0)
 
+#define ASSERT_TRUE(_seen) ASSERT_EQ(true, _seen)
+#define ASSERT_FALSE(_seen) ASSERT_EQ(false, _seen)
+
 /**
  * ASSERT_NE():
  * Check the condition
-- 
2.34.1



  parent reply	other threads:[~2024-04-14  0:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-14  0:45 [PATCH 1/6] mm/memblock: reduce the two round insertion of memblock_add_range() Wei Yang
2024-04-14  0:45 ` [PATCH 2/6] memblock tests: add the 129th memory block at all possible position Wei Yang
2024-04-15 15:19   ` Mike Rapoport
2024-04-16 12:55     ` Wei Yang
2024-04-17  5:51       ` Mike Rapoport
2024-04-18  9:02         ` Wei Yang
2024-04-19  3:15         ` Wei Yang
2024-04-24 13:13           ` Mike Rapoport
2024-04-14  0:45 ` [PATCH 3/6] mm/memblock: fix comment for memblock_isolate_range() Wei Yang
2024-04-14  0:45 ` [PATCH 4/6] mm/memblock: remove consecutive regions at once Wei Yang
2024-04-14  0:45 ` Wei Yang [this message]
2024-04-14  0:45 ` [PATCH 6/6] mm/memblock: return true directly on finding overlap region Wei Yang
2024-04-15 15:17 ` [PATCH 1/6] mm/memblock: reduce the two round insertion of memblock_add_range() Mike Rapoport
2024-04-22  2:55   ` Wei Yang
2024-04-24 13:15     ` Mike Rapoport
2024-04-25  1:38       ` Wei Yang

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