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AJvYcCVRHNPqmTlXir9gpLqY3tFbohjXiGKBxXJhLPm/W8gm+oOakn6R8/43bIOhFuvYFhIWdVA0TKUSbrIJ9Q474nl/DVnByjRZ7nzjTCpyKveP X-Gm-Message-State: AOJu0YzIJ8g1eovNn73Igg0BD7R/nObH4U3VEohRYPdVN3cZUu3PI/ek tg9vsmFMp5FFwvXFJpdlvfxE0Oy6YcLUWDYrpaZOEVz4qia1hIEGnTIuf01tEvep1Hc9DEteJcx DZg== X-Google-Smtp-Source: AGHT+IFVehH9WFewQGik+Dl0yz205/vF46via66nugJeD3HwTwVLDF4W27JfIYCAwQuhN1N8YQzQilb3Kio= X-Received: from edliaw.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:305d]) (user=edliaw job=sendgmr) by 2002:a05:690c:38c:b0:627:a961:caee with SMTP id 00721157ae682-62cbb4cd151mr5405207b3.4.1717627008528; Wed, 05 Jun 2024 15:36:48 -0700 (PDT) Date: Wed, 5 Jun 2024 22:36:33 +0000 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.45.1.467.gbab1589fc0-goog Message-ID: <20240605223637.1374969-1-edliaw@google.com> Subject: [PATCH v1 0/2] selftests/mm: thuge-gen defines From: Edward Liaw To: shuah@kernel.org, Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: cmllamas@google.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@android.com, Edward Liaw , llvm@lists.linux.dev When compiling with Android bionic, the MAP_HUGE_* and SHM_HUGE_* macros are redefined because they are included from the uapi by sys/mman.h and sys/shm.h: INFO: From Compiling common/tools/testing/selftests/mm/thuge-gen.c: common/tools/testing/selftests/mm/thuge-gen.c:32:9: warning: 'MAP_HUGE_2MB' macro redefined [-Wmacro-redefined] 32 | #define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT) | ^ external/_main~_repo_rules~prebuilt_ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/linux/mman.h:38:9: note: previous definition is here 38 | #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB | ^ common/tools/testing/selftests/mm/thuge-gen.c:33:9: warning: 'MAP_HUGE_1GB' macro redefined [-Wmacro-redefined] 33 | #define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT) | ^ external/_main~_repo_rules~prebuilt_ndk/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/linux/mman.h:44:9: note: previous definition is here This test should probably use the uapi definitions instead of redefining them. However, glibc gets struct redefinitions when including sys/shm.h and linux/shm.h together. So, add guards for the SHM_HUGE_* macros instead. Edward Liaw (2): selftests/mm: Include linux/mman.h selftests/mm: Guard defines from shm tools/testing/selftests/mm/thuge-gen.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) --- 2.45.1.467.gbab1589fc0-goog