8  *  Derived from "arch/i386/mm/fault.c"
170 	pr_alert("Fault in ");  in dump_fault_info()
220 	printk(KERN_ALERT "User process fault: interruption code %04x ilc:%d ",  in report_user_fault()
256 	/* Are we prepared to handle this kernel fault?  */  in do_no_context()
320 					vm_fault_t fault)  in do_fault_error()  argument
324 	switch (fault) {  in do_fault_error()
333 			si_code = (fault == VM_FAULT_BADMAP) ?  in do_fault_error()
347 	default: /* fault & VM_FAULT_ERROR */  in do_fault_error()
348 		if (fault & VM_FAULT_OOM) {  in do_fault_error()
353 		} else if (fault & VM_FAULT_SIGSEGV) {  in do_fault_error()
359 		} else if (fault & VM_FAULT_SIGBUS) {  in do_fault_error()
392 	vm_fault_t fault;  in do_exception()  local
408 	 * Verify that the fault happened in user space, that  in do_exception()
412 	fault = VM_FAULT_BADCONTEXT;  in do_exception()
418 		fault = VM_FAULT_BADMAP;  in do_exception()
444 			fault = VM_FAULT_BADMAP;  in do_exception()
452 	fault = VM_FAULT_BADMAP;  in do_exception()
468 	fault = VM_FAULT_BADACCESS;  in do_exception()
475 	 * If for any reason at all we couldn't handle the fault,  in do_exception()
477 	 * the fault.  in do_exception()
479 	fault = handle_mm_fault(vma, address, flags, regs);  in do_exception()
480 	if (fault_signal_pending(fault, regs)) {  in do_exception()
481 		fault = VM_FAULT_SIGNAL;  in do_exception()
486 	if (unlikely(fault & VM_FAULT_ERROR))  in do_exception()
490 		if (fault & VM_FAULT_RETRY) {  in do_exception()
496 				fault = VM_FAULT_PFAULT;  in do_exception()
509 			fault = VM_FAULT_BADMAP;  in do_exception()
513 			fault = VM_FAULT_OOM;  in do_exception()
517 	fault = 0;  in do_exception()
521 	return fault;  in do_exception()
528 	vm_fault_t fault;  in do_protection_exception()  local
551 		fault = VM_FAULT_BADACCESS;  in do_protection_exception()
554 		fault = do_exception(regs, access);  in do_protection_exception()
556 	if (unlikely(fault))  in do_protection_exception()
557 		do_fault_error(regs, access, fault);  in do_protection_exception()
564 	vm_fault_t fault;  in do_dat_exception()  local
567 	fault = do_exception(regs, access);  in do_dat_exception()
568 	if (unlikely(fault))  in do_dat_exception()
569 		do_fault_error(regs, access, fault);  in do_dat_exception()
744 			/* Since this must be a userspace fault, there  in pfault_interrupt()