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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 v2 08/23] tools/testing/vma: add simple test for append_vma_flags() Date: Mon, 16 Mar 2026 13:07:57 +0000 Message-ID: <8253a553f354e6ef9b1ddea4831c0033e64eb796.1773665966.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: rspam04 X-Rspamd-Queue-Id: 86734100010 X-Stat-Signature: 3mq5p9hfyez6gtoew9j1f33fnnrkou3w X-Rspam-User: X-HE-Tag: 1773666558-354528 X-HE-Meta: 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 IWQkcQ6W MnJfSzklF3R5x+OwbMiYnY6uOmUyXaSkcw5t967mT9Ketf2zm9ZiMEE0isiUkuFAirs79Fzcdctnq8bBqorPpKOseNzDc8mD6S83h0tcWACgTaV0G84BWZSWn7fRqoYsUHnDRO0j00v272PNeTmV7+Hw7rD3nhffjZvWWFcWJn0XqA7j/mfD67mvSZ6ftN61Ggidg/xfRFEL+oPv+T04KhKT2KfOLEFaWp9oSo6T0E72xZJffLpoWpf5qGxZVBT8TXvOx/CsbhleLl50J9jE1UruuKR2ncyxYCg1MhGrw3zUcqp762THIhZJNau96Yvs72V+zEtkvtq/BwaaTcJqMrO1JGmEW6nBreWhY 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 cbdeb03ee7e5..47ad01c5d15e 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