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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 v4 08/25] tools/testing/vma: add simple test for append_vma_flags() Date: Fri, 20 Mar 2026 19:38:25 +0000 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: rdyh3bbpqpfb89a9y45u6y58dja68kem X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: 4209010000F X-HE-Tag: 1774035546-760010 X-HE-Meta: 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 OrPFJCcQ XqffalRcsOq1nhJrHzScFa6RqE+2xHUvwDc6VNDXCjV6mLYrHwICPwyECp5bcHys9fxpYniYQp/wOCLk8HXPAVLcwJuWK2Yk9UZWAX88oEDwj2p6aln854PuRS/sXiQdAiEcfS8giu5gOc38F0aeT8JljgubNg6TkPtl+GehiFaeM54gaeT2d/Sr7bojWiDNnw+kg2pBpPvH9dBXWbA0OWv4UqMDaw/n7r9KZn1T5oRiVaRKj4wE0WyKmkU6fKFKV4t4+W/NgKk9mR55FjpqMLbSSNt6ypKAILnTsgGsK7He1mQr5L7PWd8UE9lolLE8to8yIJpv7Jb+z5xT+vQG/D6Mef2Rmdd7/UvpP 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