41 force_sig_info_fault(int si_signo, int si_code, unsigned long address,  in force_sig_info_fault()  argument
49 	info.si_addr	= (void __user *)address;  in force_sig_info_fault()
127 static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)  in vmalloc_sync_one()  argument
129 	unsigned index = pgd_index(address);  in vmalloc_sync_one()
140 	pud = pud_offset(pgd, address);  in vmalloc_sync_one()
141 	pud_k = pud_offset(pgd_k, address);  in vmalloc_sync_one()
148 	pmd = pmd_offset(pud, address);  in vmalloc_sync_one()
149 	pmd_k = pmd_offset(pud_k, address);  in vmalloc_sync_one()
177 static noinline int vmalloc_fault(unsigned long address)  in vmalloc_fault()  argument
184 	if (!(address >= VMALLOC_START && address < __FAULT_ADDR_LIMIT))  in vmalloc_fault()
195 	pmd_k = vmalloc_sync_one(pgd_k, address);  in vmalloc_fault()
199 	pte_k = pte_offset_kernel(pmd_k, address);  in vmalloc_fault()
207 show_fault_oops(struct pt_regs *regs, unsigned long address)  in show_fault_oops()  argument
213 	if (address < PAGE_SIZE)  in show_fault_oops()
218 	printk(KERN_CONT " at %08lx\n", address);  in show_fault_oops()
222 	show_pte(NULL, address);  in show_fault_oops()
227 	   unsigned long address)  in no_context()  argument
233 	if (handle_trapped_io(regs, address))  in no_context()
242 	show_fault_oops(regs, address);  in no_context()
251 		       unsigned long address, int si_code)  in __bad_area_nosemaphore()  argument
262 		force_sig_info_fault(SIGSEGV, si_code, address, tsk);  in __bad_area_nosemaphore()
267 	no_context(regs, error_code, address);  in __bad_area_nosemaphore()
272 		     unsigned long address)  in bad_area_nosemaphore()  argument
274 	__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);  in bad_area_nosemaphore()
279 	   unsigned long address, int si_code)  in __bad_area()  argument
289 	__bad_area_nosemaphore(regs, error_code, address, si_code);  in __bad_area()
293 bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in bad_area()  argument
295 	__bad_area(regs, error_code, address, SEGV_MAPERR);  in bad_area()
300 		      unsigned long address)  in bad_area_access_error()  argument
302 	__bad_area(regs, error_code, address, SEGV_ACCERR);  in bad_area_access_error()
306 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in do_sigbus()  argument
315 		no_context(regs, error_code, address);  in do_sigbus()
317 	force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk);  in do_sigbus()
322 	       unsigned long address, unsigned int fault)  in mm_fault_error()  argument
332 			no_context(regs, error_code, address);  in mm_fault_error()
343 			no_context(regs, error_code, address);  in mm_fault_error()
356 			do_sigbus(regs, error_code, address);  in mm_fault_error()
358 			bad_area(regs, error_code, address);  in mm_fault_error()
387 static int fault_in_kernel_space(unsigned long address)  in fault_in_kernel_space()  argument
389 	return address >= TASK_SIZE;  in fault_in_kernel_space()
399 					unsigned long address)  in do_page_fault()  argument
421 	if (unlikely(fault_in_kernel_space(address))) {  in do_page_fault()
422 		if (vmalloc_fault(address) >= 0)  in do_page_fault()
427 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
438 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);  in do_page_fault()
445 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
452 	vma = find_vma(mm, address);  in do_page_fault()
454 		bad_area(regs, error_code, address);  in do_page_fault()
457 	if (likely(vma->vm_start <= address))  in do_page_fault()
460 		bad_area(regs, error_code, address);  in do_page_fault()
463 	if (unlikely(expand_stack(vma, address))) {  in do_page_fault()
464 		bad_area(regs, error_code, address);  in do_page_fault()
474 		bad_area_access_error(regs, error_code, address);  in do_page_fault()
490 	fault = handle_mm_fault(mm, vma, address, flags);  in do_page_fault()
493 		if (mm_fault_error(regs, error_code, address, fault))  in do_page_fault()
500 				      regs, address);  in do_page_fault()
504 				      regs, address);  in do_page_fault()