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Searched refs:max_low_pfn (Results 1 – 25 of 63) sorted by relevance

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/Linux-v5.15/arch/xtensa/mm/
Dinit.c58 max_low_pfn = min(max_pfn, MAX_LOW_PFN); in bootmem_init()
61 (phys_addr_t)max_low_pfn << PAGE_SHIFT); in bootmem_init()
63 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in bootmem_init()
64 dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); in bootmem_init()
74 [ZONE_NORMAL] = max_low_pfn, in zones_init()
85 unsigned long max_low = max_low_pfn; in free_highpages()
118 high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT); in mem_init()
153 (max_low_pfn - min_low_pfn) * PAGE_SIZE, in mem_init()
155 min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE, in mem_init()
157 ((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20, in mem_init()
/Linux-v5.15/arch/x86/mm/
Dnuma_32.c38 if (max_pfn > max_low_pfn) in initmem_init()
39 highstart_pfn = max_low_pfn; in initmem_init()
44 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
47 pages_to_mb(max_low_pfn)); in initmem_init()
49 max_low_pfn, highstart_pfn); in initmem_init()
52 (ulong) pfn_to_kaddr(max_low_pfn)); in initmem_init()
Dinit_32.c462 for (pfn = max_low_pfn; pfn < 1<<(32-PAGE_SHIFT); pfn++) { in native_pagetable_init()
574 max_low_pfn = max_pfn; in lowmem_pfn_init()
585 if (max_low_pfn - highmem_pages < 64*1024*1024/PAGE_SIZE) { in lowmem_pfn_init()
590 max_low_pfn -= highmem_pages; in lowmem_pfn_init()
609 max_low_pfn = MAXMEM_PFN; in highmem_pfn_init()
659 if (max_pfn > max_low_pfn) in initmem_init()
660 highstart_pfn = max_low_pfn; in initmem_init()
665 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
671 max_mapnr = IS_ENABLED(CONFIG_HIGHMEM) ? highend_pfn : max_low_pfn; in initmem_init()
676 pages_to_mb(max_low_pfn)); in initmem_init()
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Dphysaddr.c79 if (max_low_pfn) { in __phys_addr()
80 VIRTUAL_BUG_ON((phys_addr >> PAGE_SHIFT) > max_low_pfn); in __phys_addr()
Dinit.c334 if ((end >> PAGE_SHIFT) > max_low_pfn) in adjust_range_page_size_mask()
735 end = max_low_pfn << PAGE_SHIFT; in init_mem_mapping()
765 if (max_pfn > max_low_pfn) { in init_mem_mapping()
767 max_low_pfn = max_pfn; in init_mem_mapping()
1014 max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); in zone_sizes_init()
1017 max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn); in zone_sizes_init()
1019 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
/Linux-v5.15/arch/csky/kernel/
Dsetup.c42 max_low_pfn = max_pfn = PFN_DOWN(memblock_end_of_DRAM()); in csky_memblock_init()
47 max_low_pfn = min_low_pfn + lowmem_size; in csky_memblock_init()
52 max_low_pfn = min_low_pfn + sseg_size; in csky_memblock_init()
55 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in csky_memblock_init()
57 mmu_init(min_low_pfn, max_low_pfn); in csky_memblock_init()
62 highstart_pfn = max_low_pfn; in csky_memblock_init()
65 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in csky_memblock_init()
/Linux-v5.15/arch/sparc/mm/
Dinit_32.c68 if (end_pfn <= max_low_pfn) in calc_highpages()
71 if (start_pfn < max_low_pfn) in calc_highpages()
72 start_pfn = max_low_pfn; in calc_highpages()
179 max_low_pfn = max_pfn; in bootmem_init()
182 if (max_low_pfn > pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT)) { in bootmem_init()
184 max_low_pfn = calc_max_low_pfn(); in bootmem_init()
201 memblock_set_current_limit(max_low_pfn << PAGE_SHIFT); in bootmem_init()
280 high_memory = __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.15/arch/microblaze/mm/
Dinit.c45 EXPORT_SYMBOL(max_low_pfn);
59 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
87 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
113 max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT; in setup_memory()
118 pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn); in setup_memory()
139 return pfn < max_low_pfn; in page_is_ram()
/Linux-v5.15/arch/hexagon/mm/
Dinit.c103 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in paging_init()
170 max_low_pfn = bootmem_lastpg - PFN_DOWN(DMA_RESERVED_BYTES); in setup_arch_memory()
172 memblock_reserve(PFN_PHYS(max_low_pfn), DMA_RESERVED_BYTES); in setup_arch_memory()
177 printk(KERN_INFO "max_low_pfn: 0x%08lx\n", max_low_pfn); in setup_arch_memory()
/Linux-v5.15/arch/ia64/mm/
Dcontig.c152 max_low_pfn = 0; in find_memory()
154 max_pfn = max_low_pfn; in find_memory()
156 memblock_add_node(0, PFN_PHYS(max_low_pfn), 0); in find_memory()
202 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
Dinit.c397 max_low_pfn = max(max_low_pfn, pfn_end); in find_max_min_low_pfn()
449 set_max_mapnr(max_low_pfn); in mem_init()
450 high_memory = __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.15/arch/arc/mm/
Dinit.c98 max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); in setup_arch_memory()
130 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in setup_arch_memory()
164 max_mapnr = max_low_pfn - min_low_pfn; in setup_arch_memory()
203 (pfn >= min_low_pfn && pfn <= max_low_pfn); in pfn_valid()
/Linux-v5.15/arch/mips/kernel/
Dsetup.c220 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
316 if (end > max_low_pfn) in bootmem_init()
317 max_low_pfn = end; in bootmem_init()
320 if (min_low_pfn >= max_low_pfn) in bootmem_init()
328 max_low_pfn = PFN_DOWN(HIGHMEM_START); in bootmem_init()
329 max_pfn = max_low_pfn; in bootmem_init()
656 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in arch_mem_init()
675 dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); in arch_mem_init()
681 early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn)); in arch_mem_init()
/Linux-v5.15/arch/powerpc/mm/
Dmem.c135 max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; in mem_topology_setup()
138 max_low_pfn = lowmem_end_addr >> PAGE_SHIFT; in mem_topology_setup()
222 max_zone_pfns[ZONE_DMA] = min(max_low_pfn, in paging_init()
225 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
258 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.15/arch/openrisc/mm/
Dinit.c51 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
201 max_mapnr = max_low_pfn; in mem_init()
202 high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.15/arch/mips/mm/
Dinit.c410 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
414 if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) { in paging_init()
417 (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10)); in paging_init()
418 max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn; in paging_init()
457 max_mapnr = highend_pfn ? highend_pfn : max_low_pfn; in mem_init()
459 max_mapnr = max_low_pfn; in mem_init()
461 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.15/arch/x86/power/
Dhibernate_32.c98 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
102 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
121 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
/Linux-v5.15/arch/mips/loongson64/
Dnuma.c122 max_low_pfn = end_pfn; in node_mem_init()
152 max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); in prom_meminit()
175 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
/Linux-v5.15/arch/csky/mm/
Dinit.c55 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in setup_initrd()
91 set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET); in mem_init()
93 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.15/arch/alpha/kernel/
Dsetup.c323 if (end > max_low_pfn) in setup_memory()
324 max_low_pfn = end; in setup_memory()
355 if (mem_size_limit && max_low_pfn >= mem_size_limit) in setup_memory()
359 max_low_pfn << (PAGE_SHIFT - 10)); in setup_memory()
360 max_low_pfn = mem_size_limit; in setup_memory()
374 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
375 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
379 phys_to_virt(PFN_PHYS(max_low_pfn))); in setup_memory()
1253 if (maxsize > (max_low_pfn + 1) << PAGE_SHIFT) in external_cache_probe()
1254 maxsize = 1 << (ilog2(max_low_pfn + 1) + PAGE_SHIFT); in external_cache_probe()
/Linux-v5.15/arch/alpha/mm/
Dinit.c247 max_pfn = max_low_pfn; in paging_init()
279 set_max_mapnr(max_low_pfn); in mem_init()
280 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.15/arch/nios2/kernel/
Dsetup.c163 find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); in setup_arch()
164 max_mapnr = max_low_pfn; in setup_arch()
/Linux-v5.15/arch/s390/mm/
Dinit.c131 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
200 set_max_mapnr(max_low_pfn); in mem_init()
201 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.15/arch/arm/mm/
Dinit.c250 find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); in bootmem_init()
253 (phys_addr_t)max_low_pfn << PAGE_SHIFT); in bootmem_init()
266 zone_sizes_init(min_low_pfn, max_low_pfn, max_pfn); in bootmem_init()
283 unsigned long max_low = max_low_pfn; in free_highpages()
/Linux-v5.15/arch/h8300/kernel/
Dsetup.c83 max_low_pfn = PFN_DOWN(memory_end); in bootmem_init()
84 max_pfn = max_low_pfn; in bootmem_init()

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