3  * MMU fault handling support.
72 	vm_fault_t fault;  in ia64_do_page_fault()  local
82 	 * If we're in an interrupt or have no user context, we must not take the fault..  in ia64_do_page_fault()
133 	 * If for any reason at all we couldn't handle the fault, make  in ia64_do_page_fault()
135 	 * fault.  in ia64_do_page_fault()
137 	fault = handle_mm_fault(vma, address, flags, regs);  in ia64_do_page_fault()
139 	if (fault_signal_pending(fault, regs))  in ia64_do_page_fault()
142 	/* The fault is fully completed (including releasing mmap lock) */  in ia64_do_page_fault()
143 	if (fault & VM_FAULT_COMPLETED)  in ia64_do_page_fault()
146 	if (unlikely(fault & VM_FAULT_ERROR)) {  in ia64_do_page_fault()
149 		 * to us that made us unable to handle the page fault  in ia64_do_page_fault()
152 		if (fault & VM_FAULT_OOM) {  in ia64_do_page_fault()
154 		} else if (fault & VM_FAULT_SIGSEGV) {  in ia64_do_page_fault()
156 		} else if (fault & VM_FAULT_SIGBUS) {  in ia64_do_page_fault()
163 	if (fault & VM_FAULT_RETRY) {  in ia64_do_page_fault()
210 		 * This fault was due to a speculative load or lfetch.fault, set the "ed"  in ia64_do_page_fault()
228 		 * This fault was due to a speculative load or lfetch.fault, set the "ed"  in ia64_do_page_fault()
239 	 * stale. If that happens, the non present fault handler already purged the stale  in ia64_do_page_fault()