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Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , Mike Rapoport , Suren Baghdasaryan , Kees Cook , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Brian Cain , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Dinh Nguyen , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Richard Weinberger , Anton Ivanov , Johannes Berg , Alexander Viro , Christian Brauner , Jan Kara , Xu Xin , Chengming Zhou , Michal Hocko , Paul Moore , Stephen Smalley , Ondrej Mosnacek , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, linux-fsdevel@vger.kernel.org, selinux@vger.kernel.org Subject: [PATCH v3 08/23] tools/testing/vma: add simple test for append_vma_flags() Date: Wed, 18 Mar 2026 15:50:19 +0000 Message-ID: <45960c2380b7dd30571fa7e082a16da016a7f53e.1773846935.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: 4C07C4000B X-Stat-Signature: pcwauou8rxf444xmj3ukjbydtitdt861 X-Rspam-User: X-HE-Tag: 1773849064-463277 X-HE-Meta: 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 Yhvw2Meg cZltrLD+ukdwB05LhVVqRpm1Sm1UQ1pOQ8NtTj8pBXBpbrseD0ZCnAgOumkUprzvNaoaCD9dvDdu7PLeJXTrnbr+md6tgxRamilsHs8Jqw0YgAvD7nyDnwZ8plMc/bS9LvOfn09kJa+M/BU7MPgEX6Jy5MX01mdF2avdHYyps8oEaaiwZ+N1F3mZa/46mEr+ORBwEcZWGZCnxcAGOFuy22rCzJ3Px0i+MajYGoEijA3iu+vgWhPld/gKY1YRBWt0m6U2NZP/mdJ1L3xsjP110lPORPxBJSsr1mekoNQStgtG2FEHqGrRCH1jzobCr1pLO8Fh63DTPlH9JUJlur6iq36OeFrkekwk68H+R Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add a simple test for append_vma_flags() to assert that it behaves as expected. Additionally, include the VMA_REMAP_FLAGS definition in the VMA tests to allow us to use this value in the testing. Signed-off-by: Lorenzo Stoakes (Oracle) --- tools/testing/vma/include/dup.h | 3 +++ tools/testing/vma/tests/vma.c | 25 +++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/tools/testing/vma/include/dup.h b/tools/testing/vma/include/dup.h index a2f311b5ea82..802b3d97b627 100644 --- a/tools/testing/vma/include/dup.h +++ b/tools/testing/vma/include/dup.h @@ -345,6 +345,9 @@ enum { */ #define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP | VM_MIXEDMAP) +#define VMA_REMAP_FLAGS mk_vma_flags(VMA_IO_BIT, VMA_PFNMAP_BIT, \ + VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT) + #define DEFAULT_MAP_WINDOW ((1UL << 47) - PAGE_SIZE) #define TASK_SIZE_LOW DEFAULT_MAP_WINDOW #define TASK_SIZE_MAX DEFAULT_MAP_WINDOW diff --git a/tools/testing/vma/tests/vma.c b/tools/testing/vma/tests/vma.c index feea6d270233..98e465fb1bf2 100644 --- a/tools/testing/vma/tests/vma.c +++ b/tools/testing/vma/tests/vma.c @@ -555,6 +555,30 @@ static bool test_vma_flags_and(void) return true; } +/* Ensure append_vma_flags() acts as expected. */ +static bool test_append_vma_flags(void) +{ + vma_flags_t flags = append_vma_flags(VMA_REMAP_FLAGS, VMA_READ_BIT, + VMA_WRITE_BIT +#if NUM_VMA_FLAG_BITS > 64 + , 64, 65 +#endif + ); + + ASSERT_FLAGS_SAME(&flags, VMA_IO_BIT, VMA_PFNMAP_BIT, + VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT, VMA_READ_BIT, + VMA_WRITE_BIT +#if NUM_VMA_FLAG_BITS > 64 + , 64, 65 +#endif + ); + + flags = append_vma_flags(EMPTY_VMA_FLAGS, VMA_READ_BIT, VMA_WRITE_BIT); + ASSERT_FLAGS_SAME(&flags, VMA_READ_BIT, VMA_WRITE_BIT); + + return true; +} + static void run_vma_tests(int *num_tests, int *num_fail) { TEST(copy_vma); @@ -569,4 +593,5 @@ static void run_vma_tests(int *num_tests, int *num_fail) TEST(vma_flags_empty); TEST(vma_flags_diff); TEST(vma_flags_and); + TEST(append_vma_flags); } -- 2.53.0