in_gate_area     1105 arch/x86/mm/init_64.c int in_gate_area(struct task_struct *task, unsigned long addr)
in_gate_area      427 arch/x86/vdso/vdso32-setup.c int in_gate_area(struct task_struct *task, unsigned long addr)
in_gate_area     1255 include/linux/mm.h #define in_gate_area(task, addr) ({(void)task; in_gate_area_no_task(addr);})