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Thu, 25 Apr 2024 00:20:03 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id qt11-20020a170906eceb00b00a55ab2630c3sm5466198ejb.38.2024.04.25.00.20.02 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 Apr 2024 00:20:02 -0700 (PDT) From: Wei Yang To: rppt@kernel.org, akpm@linux-foundation.org Cc: linux-mm@kvack.org, Wei Yang Subject: [Patch v2 5/8] memblock tests: add memblock_overlaps_region_checks Date: Thu, 25 Apr 2024 07:19:26 +0000 Message-Id: <20240425071929.18004-6-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20240425071929.18004-1-richard.weiyang@gmail.com> References: <20240425071929.18004-1-richard.weiyang@gmail.com> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 180A1C0007 X-Stat-Signature: an8upu5n4bomif9nh8psrwy3it9jxtby X-Rspam-User: X-HE-Tag: 1714029605-86571 X-HE-Meta: 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 LS8OVkOj 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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 748950e02589..b4053ceaf832 100644 --- a/tools/testing/memblock/tests/basic_api.c +++ b/tools/testing/memblock/tests/basic_api.c @@ -2261,6 +2261,53 @@ 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(); @@ -2270,6 +2317,7 @@ 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 741d57315ba6..4c89c92ef25c 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