sys_unlinkat      670 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_unlinkat, sys_unlinkat)
sys_unlinkat      397 include/linux/syscalls.h asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
sys_unlinkat      128 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_unlinkat, sys_unlinkat)
sys_unlinkat      128 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_unlinkat, sys_unlinkat)