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Tue, 07 May 2024 00:59:17 -0700 (PDT) From: Wei Yang To: rppt@kernel.org, akpm@linux-foundation.org Cc: linux-mm@kvack.org, Wei Yang Subject: [Patch v3 4/7] memblock tests: add memblock_overlaps_region_checks Date: Tue, 7 May 2024 07:58:30 +0000 Message-Id: <20240507075833.6346-5-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20240507075833.6346-1-richard.weiyang@gmail.com> References: <20240507075833.6346-1-richard.weiyang@gmail.com> X-Rspam-User: X-Stat-Signature: mjkm8ebmnt5pxrxzcuzwbo5uki9wjso9 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 7505C40005 X-HE-Tag: 1715068760-864130 X-HE-Meta: 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 jfTp1V4V 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add a test case for memblock_overlaps_region(). Signed-off-by: Wei Yang --- 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 fdac82656d15..67503089e6a0 100644 --- a/tools/testing/memblock/tests/basic_api.c +++ b/tools/testing/memblock/tests/basic_api.c @@ -2387,6 +2387,53 @@ 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(); @@ -2396,6 +2443,7 @@ 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 2f26405562b0..e1138e06c903 100644 --- a/tools/testing/memblock/tests/common.h +++ b/tools/testing/memblock/tests/common.h @@ -40,6 +40,9 @@ 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