24 static int init_one_level2_page(struct kimage *image, pgd_t *pgd,  in init_one_level2_page()  argument
35 		page = kimage_alloc_control_pages(image, 0);  in init_one_level2_page()
44 		page = kimage_alloc_control_pages(image, 0);  in init_one_level2_page()
71 static int init_level3_page(struct kimage *image, pud_t *level3p,  in init_level3_page()  argument
84 		page = kimage_alloc_control_pages(image, 0);  in init_level3_page()
104 static int init_level4_page(struct kimage *image, pgd_t *level4p,  in init_level4_page()  argument
117 		page = kimage_alloc_control_pages(image, 0);  in init_level4_page()
123 		result = init_level3_page(image, level3p, addr, last_addr);  in init_level4_page()
138 static void free_transition_pgtable(struct kimage *image)  in free_transition_pgtable()  argument
140 	free_page((unsigned long)image->arch.pud);  in free_transition_pgtable()
141 	free_page((unsigned long)image->arch.pmd);  in free_transition_pgtable()
142 	free_page((unsigned long)image->arch.pte);  in free_transition_pgtable()
145 static int init_transition_pgtable(struct kimage *image, pgd_t *pgd)  in init_transition_pgtable()  argument
154 	paddr = __pa(page_address(image->control_code_page)+PAGE_SIZE);  in init_transition_pgtable()
160 		image->arch.pud = pud;  in init_transition_pgtable()
168 		image->arch.pmd = pmd;  in init_transition_pgtable()
176 		image->arch.pte = pte;  in init_transition_pgtable()
183 	free_transition_pgtable(image);  in init_transition_pgtable()
188 static int init_pgtable(struct kimage *image, unsigned long start_pgtable)  in init_pgtable()  argument
193 	result = init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT);  in init_pgtable()
200 	result = init_one_level2_page(image, level4p, image->start);  in init_pgtable()
203 	return init_transition_pgtable(image, level4p);  in init_pgtable()
247 int machine_kexec_prepare(struct kimage *image)  in machine_kexec_prepare()  argument
253 	start_pgtable = page_to_pfn(image->control_code_page) << PAGE_SHIFT;  in machine_kexec_prepare()
256 	result = init_pgtable(image, start_pgtable);  in machine_kexec_prepare()
263 void machine_kexec_cleanup(struct kimage *image)  in machine_kexec_cleanup()  argument
265 	free_transition_pgtable(image);  in machine_kexec_cleanup()
272 void machine_kexec(struct kimage *image)  in machine_kexec()  argument
279 	if (image->preserve_context)  in machine_kexec()
289 	if (image->preserve_context) {  in machine_kexec()
302 	control_page = page_address(image->control_code_page) + PAGE_SIZE;  in machine_kexec()
308 	  (unsigned long)__pa(page_address(image->control_code_page));  in machine_kexec()
310 	if (image->type == KEXEC_TYPE_DEFAULT)  in machine_kexec()
311 		page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page)  in machine_kexec()
333 	image->start = relocate_kernel((unsigned long)image->head,  in machine_kexec()
335 				       image->start,  in machine_kexec()
336 				       image->preserve_context);  in machine_kexec()
339 	if (image->preserve_context)  in machine_kexec()