3  *  linux/arch/m68k/mm/fault.c
62  *	bit 0 == 0 means no page found, 1 means protection fault
73 	vm_fault_t fault;  in do_page_fault()  local
76 	pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n",  in do_page_fault()
81 	 * context, we must not take the fault..  in do_page_fault()
133 	 * If for any reason at all we couldn't handle the fault,  in do_page_fault()
135 	 * the fault.  in do_page_fault()
138 	fault = handle_mm_fault(vma, address, flags, regs);  in do_page_fault()
139 	pr_debug("handle_mm_fault returns %x\n", fault);  in do_page_fault()
141 	if (fault_signal_pending(fault, regs))  in do_page_fault()
144 	/* The fault is fully completed (including releasing mmap lock) */  in do_page_fault()
145 	if (fault & VM_FAULT_COMPLETED)  in do_page_fault()
148 	if (unlikely(fault & VM_FAULT_ERROR)) {  in do_page_fault()
149 		if (fault & VM_FAULT_OOM)  in do_page_fault()
151 		else if (fault & VM_FAULT_SIGSEGV)  in do_page_fault()
153 		else if (fault & VM_FAULT_SIGBUS)  in do_page_fault()
158 	if (fault & VM_FAULT_RETRY) {  in do_page_fault()
175  * us unable to handle the page fault gracefully.  in do_page_fault()