71 static void machine_kexec_free_page_tables(struct kimage *image)  in machine_kexec_free_page_tables()  argument
73 	free_page((unsigned long)image->arch.pgd);  in machine_kexec_free_page_tables()
75 	free_page((unsigned long)image->arch.pmd0);  in machine_kexec_free_page_tables()
76 	free_page((unsigned long)image->arch.pmd1);  in machine_kexec_free_page_tables()
78 	free_page((unsigned long)image->arch.pte0);  in machine_kexec_free_page_tables()
79 	free_page((unsigned long)image->arch.pte1);  in machine_kexec_free_page_tables()
82 static int machine_kexec_alloc_page_tables(struct kimage *image)  in machine_kexec_alloc_page_tables()  argument
84 	image->arch.pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);  in machine_kexec_alloc_page_tables()
86 	image->arch.pmd0 = (pmd_t *)get_zeroed_page(GFP_KERNEL);  in machine_kexec_alloc_page_tables()
87 	image->arch.pmd1 = (pmd_t *)get_zeroed_page(GFP_KERNEL);  in machine_kexec_alloc_page_tables()
89 	image->arch.pte0 = (pte_t *)get_zeroed_page(GFP_KERNEL);  in machine_kexec_alloc_page_tables()
90 	image->arch.pte1 = (pte_t *)get_zeroed_page(GFP_KERNEL);  in machine_kexec_alloc_page_tables()
91 	if (!image->arch.pgd ||  in machine_kexec_alloc_page_tables()
93 	    !image->arch.pmd0 || !image->arch.pmd1 ||  in machine_kexec_alloc_page_tables()
95 	    !image->arch.pte0 || !image->arch.pte1) {  in machine_kexec_alloc_page_tables()
96 		machine_kexec_free_page_tables(image);  in machine_kexec_alloc_page_tables()
121 static void machine_kexec_prepare_page_tables(struct kimage *image)  in machine_kexec_prepare_page_tables()  argument
126 	control_page = page_address(image->control_code_page);  in machine_kexec_prepare_page_tables()
128 	pmd = image->arch.pmd0;  in machine_kexec_prepare_page_tables()
131 		image->arch.pgd, pmd, image->arch.pte0,  in machine_kexec_prepare_page_tables()
134 	pmd = image->arch.pmd1;  in machine_kexec_prepare_page_tables()
137 		image->arch.pgd, pmd, image->arch.pte1,  in machine_kexec_prepare_page_tables()
156 int machine_kexec_prepare(struct kimage *image)  in machine_kexec_prepare()  argument
160 	set_pages_x(image->control_code_page, 1);  in machine_kexec_prepare()
161 	error = machine_kexec_alloc_page_tables(image);  in machine_kexec_prepare()
164 	machine_kexec_prepare_page_tables(image);  in machine_kexec_prepare()
172 void machine_kexec_cleanup(struct kimage *image)  in machine_kexec_cleanup()  argument
174 	set_pages_nx(image->control_code_page, 1);  in machine_kexec_cleanup()
175 	machine_kexec_free_page_tables(image);  in machine_kexec_cleanup()
182 void machine_kexec(struct kimage *image)  in machine_kexec()  argument
195 	if (image->preserve_context)  in machine_kexec()
205 	if (image->preserve_context) {  in machine_kexec()
218 	control_page = page_address(image->control_code_page);  in machine_kexec()
224 	page_list[PA_PGD] = __pa(image->arch.pgd);  in machine_kexec()
226 	if (image->type == KEXEC_TYPE_DEFAULT)  in machine_kexec()
227 		page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page)  in machine_kexec()
249 	image->start = relocate_kernel_ptr((unsigned long)image->head,  in machine_kexec()
251 					   image->start, cpu_has_pae,  in machine_kexec()
252 					   image->preserve_context);  in machine_kexec()
255 	if (image->preserve_context)  in machine_kexec()