sys_swapon        188 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_swapon, sys_swapon)
sys_swapon        865 include/linux/syscalls.h asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
sys_swapon        654 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_swapon, sys_swapon)
sys_swapon        654 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_swapon, sys_swapon)