Following build warnings noticed while building stable-rc Linux 5.14.1-rc1 with gcc-11 for arm64 architecture. aarch64-linux-gnu-gcc -Wall -O2 -Wno-unused-function -D_GNU_SOURCE proc-pid-vm.c -o kselftest/proc/proc-pid-vm proc-pid-vm.c:214:19: warning: 'str_vsyscall' defined but not used [-Wunused-const-variable=] 214 | static const char str_vsyscall[] = | ^~~~~~~~~~~~ proc-pid-vm.c:212:13: warning: 'g_vsyscall' defined but not used [-Wunused-variable] 212 | static bool g_vsyscall = false; | ^~~~~~~~~~ Build config: https://builds.tuxbuild.com/1xXcUtI2INra8KaHjOXXQMOyAD0/config Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> meta data: ----------- git_describe: v5.14-rc6-389-g95dc72bb9c03, git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc, git_sha: 95dc72bb9c032093e79e628a98c927b3db73a6c3, git_short_log: 95dc72bb9c03 (\Linux 5.14.1-rc1\), kconfig: [ defconfig, https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft.config, https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft-crypto.config, https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/distro-overrides.config, https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/systemd.config, https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/virtio.config, CONFIG_ARM64_MODULE_PLTS=y ], kernel_version: 5.14.1-rc1, target_arch: arm64, targets: [ dtbs, dtbs-legacy, headers, kernel, kselftest, kselftest-merge, modules ], toolchain: gcc-11, steps to reproduce: https://builds.tuxbuild.com/1xXcUtI2INra8KaHjOXXQMOyAD0/tuxmake_reproducer.sh -- Linaro LKFT https://lkft.linaro.org