| /Linux-v5.10/arch/ia64/mm/ |
| D | discontig.c | 41 unsigned long max_pfn; member
80 mem_data[node].max_pfn = epfn; in build_node_maps()
83 mem_data[node].max_pfn = max(epfn, mem_data[node].max_pfn); in build_node_maps()
325 if (spfn < mem_data[node].min_pfn || epfn > mem_data[node].max_pfn) in find_pernode_space()
514 max_pfn = max_low_pfn; in find_memory()
597 unsigned long max_pfn = 0; in paging_init() local
619 if (mem_data[node].max_pfn > max_pfn) in paging_init()
620 max_pfn = mem_data[node].max_pfn; in paging_init()
627 max_zone_pfns[ZONE_NORMAL] = max_pfn; in paging_init()
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| /Linux-v5.10/mm/ |
| D | page_idle.c | 131 if (pfn >= max_pfn) in page_idle_bitmap_read()
135 if (end_pfn > max_pfn) in page_idle_bitmap_read()
136 end_pfn = max_pfn; in page_idle_bitmap_read()
176 if (pfn >= max_pfn) in page_idle_bitmap_write()
180 if (end_pfn > max_pfn) in page_idle_bitmap_write()
181 end_pfn = max_pfn; in page_idle_bitmap_write()
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| /Linux-v5.10/arch/x86/mm/ |
| D | init_32.c | 587 max_low_pfn = max_pfn; in lowmem_pfn_init()
592 if (highmem_pages >= max_pfn) { in lowmem_pfn_init()
594 pages_to_mb(highmem_pages), pages_to_mb(max_pfn)); in lowmem_pfn_init()
625 highmem_pages = max_pfn - MAXMEM_PFN; in highmem_pfn_init()
627 if (highmem_pages + MAXMEM_PFN < max_pfn) in highmem_pfn_init()
628 max_pfn = MAXMEM_PFN + highmem_pages; in highmem_pfn_init()
630 if (highmem_pages + MAXMEM_PFN > max_pfn) { in highmem_pfn_init()
632 pages_to_mb(max_pfn - MAXMEM_PFN), in highmem_pfn_init()
639 if (max_pfn > MAX_NONPAE_PFN) in highmem_pfn_init()
643 max_pfn = MAXMEM_PFN; in highmem_pfn_init()
[all …]
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| D | numa_32.c | 37 highstart_pfn = highend_pfn = max_pfn; in initmem_init()
38 if (max_pfn > max_low_pfn) in initmem_init()
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| D | numa.c | 241 const u64 high = PFN_PHYS(max_pfn); in numa_cleanup_meminfo()
464 e820ram = max_pfn - absent_pages_in_range(0, max_pfn); in numa_meminfo_cover_memory()
586 u64 start = PFN_PHYS(max_pfn); in numa_register_memblks()
705 0LLU, PFN_PHYS(max_pfn) - 1); in dummy_numa_init()
708 numa_add_memblk(0, 0, PFN_PHYS(max_pfn)); in dummy_numa_init()
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| D | init.c | 715 end = max_pfn << PAGE_SHIFT; in init_mem_mapping()
747 if (max_pfn > max_low_pfn) { in init_mem_mapping()
749 max_low_pfn = max_pfn; in init_mem_mapping()
1003 max_zone_pfns[ZONE_HIGHMEM] = max_pfn; in zone_sizes_init()
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| D | numa_emulation.c | 203 unsigned long max_pfn = PHYS_PFN(max_addr); in uniform_size() local
207 return PFN_PHYS((max_pfn - base_pfn - hole_pfns) / nr_nodes); in uniform_size()
375 const u64 max_addr = PFN_PHYS(max_pfn); in numa_emulation()
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| /Linux-v5.10/arch/csky/kernel/ |
| D | setup.c | 42 max_low_pfn = max_pfn = PFN_DOWN(memblock_end_of_DRAM()); in csky_memblock_init()
44 size = max_pfn - min_low_pfn; in csky_memblock_init()
56 max_zone_pfn[ZONE_HIGHMEM] = max_pfn; in csky_memblock_init()
59 highend_pfn = max_pfn; in csky_memblock_init()
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| /Linux-v5.10/arch/xtensa/mm/ |
| D | init.c | 57 max_pfn = PFN_DOWN(memblock_end_of_DRAM()); in bootmem_init()
58 max_low_pfn = min(max_pfn, MAX_LOW_PFN); in bootmem_init()
76 [ZONE_HIGHMEM] = max_pfn, in zones_init()
117 max_mapnr = max_pfn - ARCH_PFN_OFFSET; in mem_init()
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| /Linux-v5.10/arch/microblaze/mm/ |
| D | init.c | 69 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
100 zones_size[ZONE_HIGHMEM] = max_pfn; in paging_init()
102 zones_size[ZONE_DMA] = max_pfn; in paging_init()
160 max_pfn = ((u64)memory_start + (u64)memory_size) >> PAGE_SHIFT; in setup_memory()
165 pr_info("%s: max_pfn: %#lx\n", __func__, max_pfn); in setup_memory()
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| /Linux-v5.10/arch/x86/xen/ |
| D | setup.c | 730 unsigned long max_pfn, pfn_s, n_pfns; in xen_memory_setup() local
741 max_pfn = xen_get_pages_limit(); in xen_memory_setup()
742 max_pfn = min(max_pfn, xen_start_info->nr_pages); in xen_memory_setup()
743 mem_end = PFN_PHYS(max_pfn); in xen_memory_setup()
787 max_pages += xen_foreach_remap_area(max_pfn, xen_count_remap_pages); in xen_memory_setup()
789 if (max_pages > max_pfn) in xen_memory_setup()
790 extra_pages += max_pages - max_pfn; in xen_memory_setup()
806 extra_pages = min3(EXTRA_MEM_RATIO * min(max_pfn, PFN_DOWN(MAXMEM)), in xen_memory_setup()
807 extra_pages, max_pages - max_pfn); in xen_memory_setup()
904 xen_foreach_remap_area(max_pfn, xen_set_identity_and_remap_chunk); in xen_memory_setup()
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| D | pci-swiotlb-xen.c | 53 if (max_pfn > MAX_DMA32_PFN) in pci_xen_swiotlb_detect()
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| /Linux-v5.10/arch/x86/include/asm/ |
| D | page_64.h | 11 extern unsigned long max_pfn;
40 #define pfn_valid(pfn) ((pfn) < max_pfn)
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| /Linux-v5.10/arch/sparc/mm/ |
| D | init_32.c | 177 max_pfn = end_of_phys_memory >> PAGE_SHIFT; in bootmem_init()
179 max_low_pfn = max_pfn; in bootmem_init()
180 highstart_pfn = highend_pfn = max_pfn; in bootmem_init()
200 return max_pfn; in bootmem_init()
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| /Linux-v5.10/arch/x86/kernel/ |
| D | setup.c | 998 max_pfn = e820__end_of_ram_pfn(); in setup_arch()
1002 if (mtrr_trim_uncached_memory(max_pfn)) in setup_arch()
1003 max_pfn = e820__end_of_ram_pfn(); in setup_arch()
1005 max_possible_pfn = max_pfn; in setup_arch()
1028 if (max_pfn > (1UL<<(32 - PAGE_SHIFT))) in setup_arch()
1031 max_low_pfn = max_pfn; in setup_arch()
1033 high_memory = (void *)__va(max_pfn * PAGE_SIZE - 1) + 1; in setup_arch()
1211 e820__register_nosave_regions(max_pfn); in setup_arch()
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| /Linux-v5.10/arch/nds32/kernel/ |
| D | setup.c | 262 max_pfn = PFN_DOWN(memblock_end_of_DRAM()); in setup_memory()
264 if (max_pfn - ram_start_pfn <= MAXMEM_PFN) in setup_memory()
265 max_low_pfn = max_pfn; in setup_memory()
269 max_pfn = MAXMEM_PFN + ram_start_pfn; in setup_memory()
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| /Linux-v5.10/arch/nds32/mm/ |
| D | init.c | 38 max_zone_pfn[ZONE_HIGHMEM] = max_pfn; in zone_sizes_init()
166 for (pfn = PFN_UP(__pa(high_memory)); pfn < max_pfn; pfn++) { in free_highmem()
176 max_mapnr = max_pfn; in set_max_mapnr_init()
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| /Linux-v5.10/arch/arm64/mm/ |
| D | init.c | 407 max_pfn = max_low_pfn = max; in bootmem_init()
506 max_pfn > PFN_DOWN(arm64_dma_phys_limit ? : arm64_dma32_phys_limit)) in mem_init()
511 set_max_mapnr(max_pfn - PHYS_PFN_OFFSET); in mem_init()
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| /Linux-v5.10/arch/parisc/mm/ |
| D | init.c | 253 max_pfn = 0; in setup_bootmem()
269 if ((start_pfn + npages) > max_pfn) in setup_bootmem()
270 max_pfn = start_pfn + npages; in setup_bootmem()
285 max_low_pfn = max_pfn; in setup_bootmem()
563 high_memory = __va((max_pfn << PAGE_SHIFT)); in mem_init()
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| /Linux-v5.10/arch/powerpc/include/asm/ |
| D | mmzone.h | 36 extern unsigned long max_pfn;
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| /Linux-v5.10/arch/alpha/mm/ |
| D | numa.c | 128 max_pfn = max_low_pfn = node_max_pfn; in setup_memory_node()
217 max_zone_pfn[ZONE_NORMAL] = max_pfn; in paging_init()
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| D | init.c | 249 max_pfn = max_low_pfn; in paging_init()
252 max_zone_pfn[ZONE_NORMAL] = max_pfn; in paging_init()
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| /Linux-v5.10/arch/powerpc/mm/ |
| D | mem.c | 169 max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; in mem_topology_setup()
263 max_zone_pfns[ZONE_HIGHMEM] = max_pfn; in paging_init()
295 set_max_mapnr(max_pfn); in mem_init()
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| /Linux-v5.10/arch/mips/kernel/ |
| D | setup.c | 302 max_pfn = PFN_DOWN(ramend); in bootmem_init()
321 if (max_pfn > PFN_DOWN(HIGHMEM_START)) { in bootmem_init()
324 highend_pfn = max_pfn; in bootmem_init()
327 max_pfn = max_low_pfn; in bootmem_init()
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| /Linux-v5.10/arch/arm/mm/ |
| D | init.c | 240 find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); in bootmem_init()
256 zone_sizes_init(min_low_pfn, max_low_pfn, max_pfn); in bootmem_init()
385 set_max_mapnr(pfn_to_page(max_pfn) - mem_map); in mem_init()
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