Lines Matching refs:start_pfn
94 static void __init xen_add_extra_mem(unsigned long start_pfn,
106 xen_extra_mem[i].start_pfn = start_pfn;
111 if (xen_extra_mem[i].start_pfn + xen_extra_mem[i].n_pfns ==
112 start_pfn) {
120 memblock_reserve(PFN_PHYS(start_pfn), PFN_PHYS(n_pfns));
123 static void __init xen_del_extra_mem(unsigned long start_pfn,
130 start_r = xen_extra_mem[i].start_pfn;
134 if (start_r == start_pfn) {
136 xen_extra_mem[i].start_pfn += n_pfns;
141 if (start_r + size_r == start_pfn + n_pfns) {
147 if (start_pfn > start_r && start_pfn < start_r + size_r) {
148 BUG_ON(start_pfn + n_pfns > start_r + size_r);
149 xen_extra_mem[i].n_pfns = start_pfn - start_r;
151 xen_add_extra_mem(start_pfn + n_pfns, start_r + size_r -
152 (start_pfn + n_pfns));
156 memblock_free(PFN_PHYS(start_pfn), PFN_PHYS(n_pfns));
169 if (pfn >= xen_extra_mem[i].start_pfn &&
170 pfn < xen_extra_mem[i].start_pfn + xen_extra_mem[i].n_pfns)
188 pfn_s = xen_extra_mem[i].start_pfn;
254 static void __init xen_set_identity_and_release_chunk(unsigned long start_pfn,
260 WARN_ON(start_pfn > end_pfn);
264 for (pfn = start_pfn; pfn < end; pfn++) {
282 set_phys_range_identity(start_pfn, end_pfn);
323 * start_pfn to start_pfn+size and prepares remapping the underlying RAM of the
334 unsigned long start_pfn, unsigned long size, unsigned long remap_pfn)
339 unsigned long ident_end_pfn = start_pfn + size;
347 for (ident_pfn_iter = start_pfn, remap_pfn_iter = remap_pfn;
388 unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,
393 unsigned long n = end_pfn - start_pfn;
399 unsigned long cur_pfn = start_pfn + i;
435 for (pfn = start_pfn; pfn <= max_pfn_mapped && pfn < end_pfn; pfn++)
444 unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,
447 if (start_pfn >= nr_pages)
450 return remap_pages + min(end_pfn, nr_pages) - start_pfn;
454 unsigned long (*func)(unsigned long start_pfn, unsigned long end_pfn,
476 unsigned long start_pfn = PFN_DOWN(start);
482 if (start_pfn < end_pfn)
483 ret_val = func(start_pfn, end_pfn, nr_pages,