137 static void free_transition_pgtable(struct kimage *image)  in free_transition_pgtable()  argument
139 	free_page((unsigned long)image->arch.p4d);  in free_transition_pgtable()
140 	image->arch.p4d = NULL;  in free_transition_pgtable()
141 	free_page((unsigned long)image->arch.pud);  in free_transition_pgtable()
142 	image->arch.pud = NULL;  in free_transition_pgtable()
143 	free_page((unsigned long)image->arch.pmd);  in free_transition_pgtable()
144 	image->arch.pmd = NULL;  in free_transition_pgtable()
145 	free_page((unsigned long)image->arch.pte);  in free_transition_pgtable()
146 	image->arch.pte = NULL;  in free_transition_pgtable()
149 static int init_transition_pgtable(struct kimage *image, pgd_t *pgd)  in init_transition_pgtable()  argument
160 	paddr = __pa(page_address(image->control_code_page)+PAGE_SIZE);  in init_transition_pgtable()
166 		image->arch.p4d = p4d;  in init_transition_pgtable()
174 		image->arch.pud = pud;  in init_transition_pgtable()
182 		image->arch.pmd = pmd;  in init_transition_pgtable()
190 		image->arch.pte = pte;  in init_transition_pgtable()
206 	struct kimage *image = (struct kimage *)data;  in alloc_pgt_page()  local
210 	page = kimage_alloc_control_pages(image, 0);  in alloc_pgt_page()
219 static int init_pgtable(struct kimage *image, unsigned long start_pgtable)  in init_pgtable()  argument
223 		.context	= image,  in init_pgtable()
259 	for (i = 0; i < image->nr_segments; i++) {  in init_pgtable()
260 		mstart = image->segment[i].mem;  in init_pgtable()
261 		mend   = mstart + image->segment[i].memsz;  in init_pgtable()
282 	return init_transition_pgtable(image, level4p);  in init_pgtable()
297 int machine_kexec_prepare(struct kimage *image)  in machine_kexec_prepare()  argument
303 	start_pgtable = page_to_pfn(image->control_code_page) << PAGE_SHIFT;  in machine_kexec_prepare()
306 	result = init_pgtable(image, start_pgtable);  in machine_kexec_prepare()
313 void machine_kexec_cleanup(struct kimage *image)  in machine_kexec_cleanup()  argument
315 	free_transition_pgtable(image);  in machine_kexec_cleanup()
322 void machine_kexec(struct kimage *image)  in machine_kexec()  argument
336 	if (image->preserve_context)  in machine_kexec()
347 	if (image->preserve_context) {  in machine_kexec()
360 	control_page = page_address(image->control_code_page) + PAGE_SIZE;  in machine_kexec()
366 	  (unsigned long)__pa(page_address(image->control_code_page));  in machine_kexec()
368 	if (image->type == KEXEC_TYPE_DEFAULT)  in machine_kexec()
369 		page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page)  in machine_kexec()
391 	image->start = relocate_kernel((unsigned long)image->head,  in machine_kexec()
393 				       image->start,  in machine_kexec()
394 				       image->preserve_context,  in machine_kexec()
398 	if (image->preserve_context)  in machine_kexec()
535 int arch_kimage_file_post_load_cleanup(struct kimage *image)  in arch_kimage_file_post_load_cleanup()  argument
537 	vfree(image->elf_headers);  in arch_kimage_file_post_load_cleanup()
538 	image->elf_headers = NULL;  in arch_kimage_file_post_load_cleanup()
539 	image->elf_headers_sz = 0;  in arch_kimage_file_post_load_cleanup()
541 	return kexec_image_post_load_cleanup_default(image);  in arch_kimage_file_post_load_cleanup()