sys_getrandom 782 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_getrandom, sys_getrandom) sys_getrandom 964 include/linux/syscalls.h asmlinkage long sys_getrandom(char __user *buf, size_t count, sys_getrandom 748 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_getrandom, sys_getrandom) sys_getrandom 748 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_getrandom, sys_getrandom)