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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Hugh Dickins , Baolin Wang , Jann Horn , Pedro Falcato , Jason Gunthorpe , linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-mm@kvack.org, ntfs3@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: [PATCH 6/6] tools/testing/vma: add test for vma_flags_test(), vma_desc_test() Date: Thu, 5 Mar 2026 10:50:19 +0000 Message-ID: <376a39eb9e134d2c8ab10e32720dd292970b080a.1772704455.git.ljs@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: C28CE40007 X-Stat-Signature: 6g1y7ytj5q1sc4fec9ofh4oj9pxan47w X-Rspam-User: X-HE-Tag: 1772707849-884248 X-HE-Meta: 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 D4m20PbL EkAUjKpwAexVYcMSjclAeNf5S1S8RfGHpjcMN4929V/lwwkS144BUgTTFqDIkR6uI/j74NRqHQMBuJek828WRxH0zeHMnWgF1LldoY4K/Lfa41K+sNEVqrEbfTMViG5/b5rQQtV/064FgYdf/MxKCTBNrtddXmsXczKWRO6U8B7qTgvIxmmMKuHGL7GwW3LTPjLkPQ7jKkrci4Ps7BkfuxLjbD/eHRI4rFy/5QrvriWChhJ9+viZjaRx1fwEOEq7dbNOabGDato+6SRjMvAQXBE9pGA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Now we have helpers which test singular VMA flags - vma_flags_test() and vma_desc_test() - add a test to explicitly assert that these behave as expected. Signed-off-by: Lorenzo Stoakes (Oracle) --- tools/testing/vma/tests/vma.c | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/testing/vma/tests/vma.c b/tools/testing/vma/tests/vma.c index f031e6dfb474..1aa94dd7e74a 100644 --- a/tools/testing/vma/tests/vma.c +++ b/tools/testing/vma/tests/vma.c @@ -159,6 +159,41 @@ static bool test_vma_flags_word(void) return true; } +/* Ensure that vma_flags_test() and friends works correctly. */ +static bool test_vma_flags_test(void) +{ + const vma_flags_t flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_EXEC_BIT, 64, 65); + struct vm_area_desc desc; + + desc.vma_flags = flags; + +#define do_test(_flag) \ + ASSERT_TRUE(vma_flags_test(&flags, _flag)); \ + ASSERT_TRUE(vma_desc_test(&desc, _flag)) + +#define do_test_false(_flag) \ + ASSERT_FALSE(vma_flags_test(&flags, _flag)); \ + ASSERT_FALSE(vma_desc_test(&desc, _flag)) + + do_test(VMA_READ_BIT); + do_test(VMA_WRITE_BIT); + do_test(VMA_EXEC_BIT); +#if NUM_VMA_FLAG_BITS > 64 + do_test(64); + do_test(65); +#endif + do_test_false(VMA_MAYWRITE_BIT); +#if NUM_VMA_FLAG_BITS > 64 + do_test_false(66); +#endif + +#undef do_test +#undef do_test_false + + return true; +} + /* Ensure that vma_flags_test_any() and friends works correctly. */ static bool test_vma_flags_test_any(void) { @@ -334,6 +369,7 @@ static void run_vma_tests(int *num_tests, int *num_fail) TEST(vma_flags_unchanged); TEST(vma_flags_cleared); TEST(vma_flags_word); + TEST(vma_flags_test); TEST(vma_flags_test_any); TEST(vma_flags_clear); } -- 2.53.0