93 static void __init xen_add_extra_mem(unsigned long start_pfn,  in xen_add_extra_mem()  argument
105 			xen_extra_mem[i].start_pfn = start_pfn;  in xen_add_extra_mem()
110 		if (xen_extra_mem[i].start_pfn + xen_extra_mem[i].n_pfns ==  in xen_add_extra_mem()
111 		    start_pfn) {  in xen_add_extra_mem()
119 	memblock_reserve(PFN_PHYS(start_pfn), PFN_PHYS(n_pfns));  in xen_add_extra_mem()
122 static void __init xen_del_extra_mem(unsigned long start_pfn,  in xen_del_extra_mem()  argument
129 		start_r = xen_extra_mem[i].start_pfn;  in xen_del_extra_mem()
133 		if (start_r == start_pfn) {  in xen_del_extra_mem()
135 			xen_extra_mem[i].start_pfn += n_pfns;  in xen_del_extra_mem()
140 		if (start_r + size_r == start_pfn + n_pfns) {  in xen_del_extra_mem()
146 		if (start_pfn > start_r && start_pfn < start_r + size_r) {  in xen_del_extra_mem()
147 			BUG_ON(start_pfn + n_pfns > start_r + size_r);  in xen_del_extra_mem()
148 			xen_extra_mem[i].n_pfns = start_pfn - start_r;  in xen_del_extra_mem()
150 			xen_add_extra_mem(start_pfn + n_pfns, start_r + size_r -  in xen_del_extra_mem()
151 					  (start_pfn + n_pfns));  in xen_del_extra_mem()
155 	memblock_free(PFN_PHYS(start_pfn), PFN_PHYS(n_pfns));  in xen_del_extra_mem()
168 		if (pfn >= xen_extra_mem[i].start_pfn &&  in xen_chk_extra_mem()
169 		    pfn < xen_extra_mem[i].start_pfn + xen_extra_mem[i].n_pfns)  in xen_chk_extra_mem()
187 		pfn_s = xen_extra_mem[i].start_pfn;  in xen_inv_extra_mem()
253 static void __init xen_set_identity_and_release_chunk(unsigned long start_pfn,  in xen_set_identity_and_release_chunk()  argument
259 	WARN_ON(start_pfn > end_pfn);  in xen_set_identity_and_release_chunk()
263 	for (pfn = start_pfn; pfn < end; pfn++) {  in xen_set_identity_and_release_chunk()
281 	set_phys_range_identity(start_pfn, end_pfn);  in xen_set_identity_and_release_chunk()
333         unsigned long start_pfn, unsigned long size, unsigned long remap_pfn)  in xen_do_set_identity_and_remap_chunk()  argument
338 	unsigned long ident_end_pfn = start_pfn + size;  in xen_do_set_identity_and_remap_chunk()
348 	for (ident_pfn_iter = start_pfn, remap_pfn_iter = remap_pfn;  in xen_do_set_identity_and_remap_chunk()
389 	unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,  in xen_set_identity_and_remap_chunk()  argument
394 	unsigned long n = end_pfn - start_pfn;  in xen_set_identity_and_remap_chunk()
400 		unsigned long cur_pfn = start_pfn + i;  in xen_set_identity_and_remap_chunk()
436 	for (pfn = start_pfn; pfn <= max_pfn_mapped && pfn < end_pfn; pfn++)  in xen_set_identity_and_remap_chunk()
445 	unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,  in xen_count_remap_pages()  argument
448 	if (start_pfn >= nr_pages)  in xen_count_remap_pages()
451 	return remap_pages + min(end_pfn, nr_pages) - start_pfn;  in xen_count_remap_pages()
455 	unsigned long (*func)(unsigned long start_pfn, unsigned long end_pfn,  in xen_foreach_remap_area()  argument
477 			unsigned long start_pfn = PFN_DOWN(start);  in xen_foreach_remap_area()  local
483 			if (start_pfn < end_pfn)  in xen_foreach_remap_area()
484 				ret_val = func(start_pfn, end_pfn, nr_pages,  in xen_foreach_remap_area()