25 noinline static int handle_kernel_vaddr_fault(unsigned long address)  in handle_kernel_vaddr_fault()  argument
36 	pgd = pgd_offset_fast(current->active_mm, address);  in handle_kernel_vaddr_fault()
37 	pgd_k = pgd_offset_k(address);  in handle_kernel_vaddr_fault()
42 	p4d = p4d_offset(pgd, address);  in handle_kernel_vaddr_fault()
43 	p4d_k = p4d_offset(pgd_k, address);  in handle_kernel_vaddr_fault()
47 	pud = pud_offset(p4d, address);  in handle_kernel_vaddr_fault()
48 	pud_k = pud_offset(p4d_k, address);  in handle_kernel_vaddr_fault()
52 	pmd = pmd_offset(pud, address);  in handle_kernel_vaddr_fault()
53 	pmd_k = pmd_offset(pud_k, address);  in handle_kernel_vaddr_fault()
66 void do_page_fault(unsigned long address, struct pt_regs *regs)  in do_page_fault()  argument
82 	if (address >= VMALLOC_START && !user_mode(regs)) {  in do_page_fault()
83 		if (unlikely(handle_kernel_vaddr_fault(address)))  in do_page_fault()
108 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);  in do_page_fault()
112 	vma = find_vma(mm, address);  in do_page_fault()
115 	if (unlikely(address < vma->vm_start)) {  in do_page_fault()
116 		if (!(vma->vm_flags & VM_GROWSDOWN) || expand_stack(vma, address))  in do_page_fault()
134 	fault = handle_mm_fault(vma, address, flags, regs);  in do_page_fault()
179 	tsk->thread.fault_address = address;  in do_page_fault()
180 	force_sig_fault(sig, si_code, (void __user *)address);  in do_page_fault()
187 	die("Oops", regs, address);  in do_page_fault()