| /Linux-v5.15/arch/x86/xen/ |
| D | setup.c | 94 static void __init xen_add_extra_mem(unsigned long start_pfn, in xen_add_extra_mem() argument
106 xen_extra_mem[i].start_pfn = start_pfn; in xen_add_extra_mem()
111 if (xen_extra_mem[i].start_pfn + xen_extra_mem[i].n_pfns == in xen_add_extra_mem()
112 start_pfn) { in xen_add_extra_mem()
120 memblock_reserve(PFN_PHYS(start_pfn), PFN_PHYS(n_pfns)); in xen_add_extra_mem()
123 static void __init xen_del_extra_mem(unsigned long start_pfn, in xen_del_extra_mem() argument
130 start_r = xen_extra_mem[i].start_pfn; in xen_del_extra_mem()
134 if (start_r == start_pfn) { in xen_del_extra_mem()
136 xen_extra_mem[i].start_pfn += n_pfns; in xen_del_extra_mem()
141 if (start_r + size_r == start_pfn + n_pfns) { in xen_del_extra_mem()
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| /Linux-v5.15/arch/x86/mm/ |
| D | init.c | 303 unsigned long start_pfn, unsigned long end_pfn, in save_mr() argument
306 if (start_pfn < end_pfn) { in save_mr()
309 mr[nr_range].start = start_pfn<<PAGE_SHIFT; in save_mr()
381 unsigned long start_pfn, end_pfn, limit_pfn; in split_mem_range() local
388 pfn = start_pfn = PFN_DOWN(start); in split_mem_range()
405 if (start_pfn < end_pfn) { in split_mem_range()
406 nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0); in split_mem_range()
411 start_pfn = round_up(pfn, PFN_DOWN(PMD_SIZE)); in split_mem_range()
420 if (start_pfn < end_pfn) { in split_mem_range()
421 nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, in split_mem_range()
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| /Linux-v5.15/mm/ |
| D | memory_hotplug.c | 349 unsigned long start_pfn, in find_smallest_section_pfn() argument
352 for (; start_pfn < end_pfn; start_pfn += PAGES_PER_SUBSECTION) { in find_smallest_section_pfn()
353 if (unlikely(!pfn_to_online_page(start_pfn))) in find_smallest_section_pfn()
356 if (unlikely(pfn_to_nid(start_pfn) != nid)) in find_smallest_section_pfn()
359 if (zone != page_zone(pfn_to_page(start_pfn))) in find_smallest_section_pfn()
362 return start_pfn; in find_smallest_section_pfn()
370 unsigned long start_pfn, in find_biggest_section_pfn() argument
377 for (; pfn >= start_pfn; pfn -= PAGES_PER_SUBSECTION) { in find_biggest_section_pfn()
393 static void shrink_zone_span(struct zone *zone, unsigned long start_pfn, in shrink_zone_span() argument
399 if (zone->zone_start_pfn == start_pfn) { in shrink_zone_span()
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| D | page_isolation.c | 182 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, in start_isolate_page_range() argument
189 BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages)); in start_isolate_page_range()
192 for (pfn = start_pfn; in start_isolate_page_range()
205 for (pfn = start_pfn; in start_isolate_page_range()
220 void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, in undo_isolate_page_range() argument
226 BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages)); in undo_isolate_page_range()
229 for (pfn = start_pfn; in undo_isolate_page_range()
279 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, in test_pages_isolated() argument
292 for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { in test_pages_isolated()
297 page = __first_valid_page(start_pfn, end_pfn - start_pfn); in test_pages_isolated()
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| D | page_ext.c | 302 static int __meminit online_page_ext(unsigned long start_pfn, in online_page_ext() argument
309 start = SECTION_ALIGN_DOWN(start_pfn); in online_page_ext()
310 end = SECTION_ALIGN_UP(start_pfn + nr_pages); in online_page_ext()
318 nid = pfn_to_nid(start_pfn); in online_page_ext()
334 static int __meminit offline_page_ext(unsigned long start_pfn, in offline_page_ext() argument
339 start = SECTION_ALIGN_DOWN(start_pfn); in offline_page_ext()
340 end = SECTION_ALIGN_UP(start_pfn + nr_pages); in offline_page_ext()
356 ret = online_page_ext(mn->start_pfn, in page_ext_callback()
360 offline_page_ext(mn->start_pfn, in page_ext_callback()
364 offline_page_ext(mn->start_pfn, in page_ext_callback()
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| D | page_alloc.c | 577 unsigned long sp, start_pfn; in page_outside_zone_boundaries() local
581 start_pfn = zone->zone_start_pfn; in page_outside_zone_boundaries()
590 start_pfn, start_pfn + sp); in page_outside_zone_boundaries()
1613 unsigned long start_pfn = PFN_DOWN(start); in reserve_bootmem_region() local
1616 for (; start_pfn < end_pfn; start_pfn++) { in reserve_bootmem_region()
1617 if (pfn_valid(start_pfn)) { in reserve_bootmem_region()
1618 struct page *page = pfn_to_page(start_pfn); in reserve_bootmem_region()
1620 init_reserved_page(start_pfn); in reserve_bootmem_region()
1709 unsigned long start_pfn, end_pfn; in __early_pfn_to_nid() local
1715 nid = memblock_search_pfn_nid(pfn, &start_pfn, &end_pfn); in __early_pfn_to_nid()
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| D | sparse.c | 129 void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn, in mminit_validate_memmodel_limits() argument
138 if (*start_pfn > max_sparsemem_pfn) { in mminit_validate_memmodel_limits()
141 *start_pfn, *end_pfn, max_sparsemem_pfn); in mminit_validate_memmodel_limits()
143 *start_pfn = max_sparsemem_pfn; in mminit_validate_memmodel_limits()
148 *start_pfn, *end_pfn, max_sparsemem_pfn); in mminit_validate_memmodel_limits()
592 void online_mem_sections(unsigned long start_pfn, unsigned long end_pfn) in online_mem_sections() argument
596 for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { in online_mem_sections()
610 void offline_mem_sections(unsigned long start_pfn, unsigned long end_pfn) in offline_mem_sections() argument
614 for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { in offline_mem_sections()
885 int __meminit sparse_add_section(int nid, unsigned long start_pfn, in sparse_add_section() argument
[all …]
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| D | bootmem_info.c | 42 static void __init register_page_bootmem_info_section(unsigned long start_pfn) in register_page_bootmem_info_section() argument
49 section_nr = pfn_to_section_nr(start_pfn); in register_page_bootmem_info_section()
77 static void __init register_page_bootmem_info_section(unsigned long start_pfn) in register_page_bootmem_info_section() argument
84 section_nr = pfn_to_section_nr(start_pfn); in register_page_bootmem_info_section()
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| D | shuffle.c | 84 unsigned long start_pfn = z->zone_start_pfn; in __shuffle_zone() local
90 start_pfn = ALIGN(start_pfn, order_pages); in __shuffle_zone()
91 for (i = start_pfn; i < end_pfn; i += order_pages) { in __shuffle_zone()
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| /Linux-v5.15/arch/powerpc/platforms/powernv/ |
| D | memtrace.c | 91 static void memtrace_clear_range(unsigned long start_pfn, in memtrace_clear_range() argument
97 for (pfn = start_pfn; pfn < start_pfn + nr_pages; pfn++) { in memtrace_clear_range()
106 flush_dcache_range_chunked((unsigned long)pfn_to_kaddr(start_pfn), in memtrace_clear_range()
107 (unsigned long)pfn_to_kaddr(start_pfn + nr_pages), in memtrace_clear_range()
114 unsigned long pfn, start_pfn; in memtrace_alloc_node() local
125 start_pfn = page_to_pfn(page); in memtrace_alloc_node()
132 memtrace_clear_range(start_pfn, nr_pages); in memtrace_alloc_node()
138 for (pfn = start_pfn; pfn < start_pfn + nr_pages; pfn++) in memtrace_alloc_node()
141 arch_remove_linear_mapping(PFN_PHYS(start_pfn), size); in memtrace_alloc_node()
143 return PFN_PHYS(start_pfn); in memtrace_alloc_node()
[all …]
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| /Linux-v5.15/arch/sparc/mm/ |
| D | init_32.c | 65 unsigned long start_pfn = sp_banks[i].base_addr >> PAGE_SHIFT; in calc_highpages() local
71 if (start_pfn < max_low_pfn) in calc_highpages()
72 start_pfn = max_low_pfn; in calc_highpages()
74 nr += end_pfn - start_pfn; in calc_highpages()
134 unsigned long start_pfn, bytes_avail, size; in bootmem_init() local
172 start_pfn = (unsigned long)__pa(PAGE_ALIGN((unsigned long) &_end)); in bootmem_init()
175 start_pfn >>= PAGE_SHIFT; in bootmem_init()
193 size = (start_pfn << PAGE_SHIFT) - phys_base; in bootmem_init()
236 static void map_high_region(unsigned long start_pfn, unsigned long end_pfn) in map_high_region() argument
241 printk("mapping high region %08lx - %08lx\n", start_pfn, end_pfn); in map_high_region()
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| /Linux-v5.15/include/trace/events/ |
| D | page_isolation.h | 13 unsigned long start_pfn,
17 TP_ARGS(start_pfn, end_pfn, fin_pfn),
20 __field(unsigned long, start_pfn)
26 __entry->start_pfn = start_pfn;
32 __entry->start_pfn, __entry->end_pfn, __entry->fin_pfn,
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| D | compaction.h | 17 unsigned long start_pfn,
22 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
25 __field(unsigned long, start_pfn)
32 __entry->start_pfn = start_pfn;
39 __entry->start_pfn,
48 unsigned long start_pfn,
53 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
59 unsigned long start_pfn,
64 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
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| /Linux-v5.15/arch/sh/mm/ |
| D | init.c | 210 unsigned long start_pfn, end_pfn; in allocate_pgdat() local
212 get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); in allocate_pgdat()
223 NODE_DATA(nid)->node_start_pfn = start_pfn; in allocate_pgdat()
224 NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; in allocate_pgdat()
229 unsigned long start_pfn, end_pfn; in do_init_bootmem() local
233 for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) in do_init_bootmem()
234 __add_active_range(0, start_pfn, end_pfn); in do_init_bootmem()
247 unsigned long start_pfn; in early_reserve_mem() local
255 start_pfn = PFN_UP(__pa(_end)); in early_reserve_mem()
263 memblock_reserve(start, (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) - start); in early_reserve_mem()
[all …]
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| D | numa.c | 28 unsigned long start_pfn, end_pfn; in setup_bootmem_node() local
33 start_pfn = PFN_DOWN(start); in setup_bootmem_node()
41 __add_active_range(nid, start_pfn, end_pfn); in setup_bootmem_node()
51 NODE_DATA(nid)->node_start_pfn = start_pfn; in setup_bootmem_node()
52 NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; in setup_bootmem_node()
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| /Linux-v5.15/include/linux/ |
| D | memory_hotplug.h | 113 extern struct zone *test_pages_in_a_zone(unsigned long start_pfn,
115 extern void __offline_isolated_pages(unsigned long start_pfn,
142 extern void __remove_pages(unsigned long start_pfn, unsigned long nr_pages,
146 extern int __add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages,
150 static inline int add_pages(int nid, unsigned long start_pfn, in add_pages() argument
153 return __add_pages(nid, start_pfn, nr_pages, params); in add_pages()
156 int add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages,
302 extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
311 static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages, in offline_pages() argument
337 extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
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| D | node.h | 102 void link_mem_sections(int nid, unsigned long start_pfn,
106 static inline void link_mem_sections(int nid, unsigned long start_pfn, in link_mem_sections() argument
125 unsigned long start_pfn = pgdat->node_start_pfn; in register_one_node() local
126 unsigned long end_pfn = start_pfn + pgdat->node_spanned_pages; in register_one_node()
132 link_mem_sections(nid, start_pfn, end_pfn, MEMINIT_EARLY); in register_one_node()
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| D | page-isolation.h | 46 start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
54 undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
60 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
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| /Linux-v5.15/drivers/hv/ |
| D | hv_balloon.c | 434 unsigned long start_pfn; member
447 unsigned long start_pfn; member
587 if ((pfn >= gap->start_pfn) && (pfn < gap->end_pfn)) in has_pfn_is_backed()
594 static unsigned long hv_page_offline_check(unsigned long start_pfn, in hv_page_offline_check() argument
597 unsigned long pfn = start_pfn, count = 0; in hv_page_offline_check()
601 while (pfn < start_pfn + nr_pages) { in hv_page_offline_check()
608 while ((pfn >= has->start_pfn) && in hv_page_offline_check()
610 (pfn < start_pfn + nr_pages)) { in hv_page_offline_check()
644 pfn_count = hv_page_offline_check(mem->start_pfn, in hv_memory_notifier()
691 unsigned long start_pfn, unsigned long size) in hv_bring_pgs_online() argument
[all …]
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| /Linux-v5.15/arch/parisc/mm/ |
| D | init.c | 132 if (pmem_ranges[j-1].start_pfn < in setup_bootmem()
133 pmem_ranges[j].start_pfn) { in setup_bootmem()
150 if (pmem_ranges[i].start_pfn - in setup_bootmem()
151 (pmem_ranges[i-1].start_pfn + in setup_bootmem()
156 pmem_ranges[i].start_pfn - in setup_bootmem()
157 (pmem_ranges[i-1].start_pfn + in setup_bootmem()
173 start = (pmem_ranges[i].start_pfn << PAGE_SHIFT); in setup_bootmem()
227 end_pfn = pmem_ranges[0].start_pfn + pmem_ranges[0].pages; in setup_bootmem()
230 hole_pages = pmem_ranges[i].start_pfn - end_pfn; in setup_bootmem()
232 pmem_holes[npmem_holes].start_pfn = end_pfn; in setup_bootmem()
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| /Linux-v5.15/drivers/base/ |
| D | memory.c | 180 unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr); in memory_block_online() local
187 start_pfn, nr_pages); in memory_block_online()
197 ret = mhp_init_memmap_on_memory(start_pfn, nr_vmemmap_pages, zone); in memory_block_online()
202 ret = online_pages(start_pfn + nr_vmemmap_pages, in memory_block_online()
206 mhp_deinit_memmap_on_memory(start_pfn, nr_vmemmap_pages); in memory_block_online()
215 adjust_present_page_count(pfn_to_page(start_pfn), mem->group, in memory_block_online()
223 unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr); in memory_block_offline() local
233 adjust_present_page_count(pfn_to_page(start_pfn), mem->group, in memory_block_offline()
236 ret = offline_pages(start_pfn + nr_vmemmap_pages, in memory_block_offline()
241 adjust_present_page_count(pfn_to_page(start_pfn), in memory_block_offline()
[all …]
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| D | arch_numa.c | 221 static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn) in setup_node_data() argument
228 if (start_pfn >= end_pfn) in setup_node_data()
248 NODE_DATA(nid)->node_start_pfn = start_pfn; in setup_node_data()
249 NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; in setup_node_data()
367 unsigned long start_pfn, end_pfn; in numa_register_nodes() local
369 get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); in numa_register_nodes()
370 setup_node_data(nid, start_pfn, end_pfn); in numa_register_nodes()
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| /Linux-v5.15/arch/mips/loongson64/ |
| D | numa.c | 88 unsigned long start_pfn, end_pfn; in node_mem_init() local
97 get_pfn_range_for_nid(node, &start_pfn, &end_pfn); in node_mem_init()
99 node, start_pfn, end_pfn); in node_mem_init()
111 NODE_DATA(node)->node_start_pfn = start_pfn; in node_mem_init()
112 NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; in node_mem_init()
134 memblock_reserve(0, PAGE_SIZE * start_pfn); in node_mem_init()
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| D | init.c | 53 u64 node_id, node_psize, start_pfn, end_pfn, mem_start, mem_size; in szmem() local
72 start_pfn = ((node_id << 44) + mem_start) >> PAGE_SHIFT; in szmem()
74 end_pfn = start_pfn + node_psize; in szmem()
79 start_pfn, end_pfn, num_physpages); in szmem()
80 memblock_add_node(PFN_PHYS(start_pfn), PFN_PHYS(node_psize), node); in szmem()
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| /Linux-v5.15/arch/powerpc/mm/ |
| D | init_64.c | 74 unsigned long start_pfn; in vmemmap_subsection_start() local
78 start_pfn = (offset / sizeof(struct page)) & PAGE_SUBSECTION_MASK; in vmemmap_subsection_start()
79 return pfn_to_page(start_pfn); in vmemmap_subsection_start()
189 unsigned long start_pfn = page_to_pfn((struct page *)start); in altmap_cross_boundary() local
191 if ((start_pfn + nr_pfn) > altmap->end_pfn) in altmap_cross_boundary()
194 if (start_pfn < altmap->base_pfn) in altmap_cross_boundary()
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