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Searched refs:max_low_pfn (Results 1 – 25 of 72) sorted by relevance

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/Linux-v5.4/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 - ARCH_PFN_OFFSET, in zones_init()
76 [ZONE_HIGHMEM] = max_pfn - max_low_pfn, in zones_init()
91 unsigned long max_low = max_low_pfn; in free_highpages()
153 high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT); in mem_init()
189 (max_low_pfn - min_low_pfn) * PAGE_SIZE, in mem_init()
191 min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE, in mem_init()
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/Linux-v5.4/arch/x86/mm/
Dnuma_32.c72 if (max_pfn > max_low_pfn) in initmem_init()
73 highstart_pfn = max_low_pfn; in initmem_init()
78 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
81 pages_to_mb(max_low_pfn)); in initmem_init()
83 max_low_pfn, highstart_pfn); in initmem_init()
86 (ulong) pfn_to_kaddr(max_low_pfn)); in initmem_init()
Dinit_32.c489 for (pfn = max_low_pfn; pfn < 1<<(32-PAGE_SHIFT); pfn++) { in native_pagetable_init()
601 max_low_pfn = max_pfn; in lowmem_pfn_init()
612 if (max_low_pfn - highmem_pages < 64*1024*1024/PAGE_SIZE) { in lowmem_pfn_init()
617 max_low_pfn -= highmem_pages; in lowmem_pfn_init()
636 max_low_pfn = MAXMEM_PFN; in highmem_pfn_init()
686 if (max_pfn > max_low_pfn) in initmem_init()
687 highstart_pfn = max_low_pfn; in initmem_init()
692 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
699 max_mapnr = IS_ENABLED(CONFIG_HIGHMEM) ? highend_pfn : max_low_pfn; in initmem_init()
704 pages_to_mb(max_low_pfn)); in initmem_init()
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Dphysaddr.c78 if (max_low_pfn) { in __phys_addr()
79 VIRTUAL_BUG_ON((phys_addr >> PAGE_SHIFT) > max_low_pfn); in __phys_addr()
Dinit.c293 if ((end >> PAGE_SHIFT) > max_low_pfn) in adjust_range_page_size_mask()
660 end = max_low_pfn << PAGE_SHIFT; in init_mem_mapping()
690 if (max_pfn > max_low_pfn) { in init_mem_mapping()
692 max_low_pfn = max_pfn; in init_mem_mapping()
941 max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); in zone_sizes_init()
944 max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn); in zone_sizes_init()
946 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
/Linux-v5.4/arch/csky/kernel/
Dsetup.c65 max_low_pfn = PFN_UP(memblock_end_of_REG0()); in csky_memblock_init()
66 if (max_low_pfn == 0) in csky_memblock_init()
67 max_low_pfn = max_pfn; in csky_memblock_init()
75 PFN_DOWN(memblock_start_of_REG1()) - max_low_pfn; in csky_memblock_init()
82 max_low_pfn = min_low_pfn + zone_size[ZONE_NORMAL]; in csky_memblock_init()
103 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in csky_memblock_init()
/Linux-v5.4/arch/sparc/mm/
Dinit_32.c69 if (end_pfn <= max_low_pfn) in calc_highpages()
72 if (start_pfn < max_low_pfn) in calc_highpages()
73 start_pfn = max_low_pfn; in calc_highpages()
180 max_low_pfn = max_pfn; in bootmem_init()
183 if (max_low_pfn > pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT)) { in bootmem_init()
185 max_low_pfn = calc_max_low_pfn(); in bootmem_init()
277 high_memory = __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.4/arch/alpha/mm/
Dnuma.c128 if (node_max_pfn > max_low_pfn) in setup_memory_node()
129 max_pfn = max_low_pfn = node_max_pfn; in setup_memory_node()
172 max_low_pfn = 0UL; in setup_memory()
188 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
189 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
193 phys_to_virt(PFN_PHYS(max_low_pfn))); in setup_memory()
Dinit.c246 high_pfn = max_pfn = max_low_pfn; in paging_init()
283 set_max_mapnr(max_low_pfn); in mem_init()
284 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.4/arch/ia64/mm/
Dcontig.c156 max_low_pfn = 0; in find_memory()
158 max_pfn = max_low_pfn; in find_memory()
163 memblock_add_node(0, PFN_PHYS(max_low_pfn), 0); in find_memory()
186 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
197 map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * in paging_init()
/Linux-v5.4/arch/hexagon/mm/
Dinit.c104 zones_sizes[ZONE_NORMAL] = max_low_pfn; in paging_init()
171 max_low_pfn = bootmem_lastpg - PFN_DOWN(DMA_RESERVED_BYTES); in setup_arch_memory()
173 memblock_reserve(PFN_PHYS(max_low_pfn), DMA_RESERVED_BYTES); in setup_arch_memory()
178 printk(KERN_INFO "max_low_pfn: 0x%08lx\n", max_low_pfn); in setup_arch_memory()
/Linux-v5.4/arch/openrisc/mm/
Dinit.c56 zones_size[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
149 end = (unsigned long)__va(max_low_pfn * PAGE_SIZE); in paging_init()
206 max_mapnr = max_low_pfn; in mem_init()
207 high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.4/arch/mips/kernel/
Dsetup.c254 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
354 if (end > max_low_pfn) in bootmem_init()
355 max_low_pfn = end; in bootmem_init()
358 if (min_low_pfn >= max_low_pfn) in bootmem_init()
366 max_low_pfn = PFN_DOWN(HIGHMEM_START); in bootmem_init()
367 max_pfn = max_low_pfn; in bootmem_init()
639 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in arch_mem_init()
659 dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); in arch_mem_init()
669 early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn)); in arch_mem_init()
/Linux-v5.4/arch/unicore32/kernel/
Dhibernate.c87 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
93 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
105 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
/Linux-v5.4/arch/microblaze/mm/
Dinit.c74 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
104 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
164 max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT; in setup_memory()
169 pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn); in setup_memory()
223 return pfn < max_low_pfn; in page_is_ram()
/Linux-v5.4/arch/mips/mm/
Dinit.c409 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
413 if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) { in paging_init()
416 (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10)); in paging_init()
417 max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn; in paging_init()
459 max_mapnr = highend_pfn ? highend_pfn : max_low_pfn; in mem_init()
461 max_mapnr = max_low_pfn; in mem_init()
463 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.4/arch/arc/mm/
Dinit.c98 max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); in setup_arch_memory()
102 max_mapnr = max_low_pfn - min_low_pfn; in setup_arch_memory()
139 zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; in setup_arch_memory()
/Linux-v5.4/arch/powerpc/mm/
Dmem.c157 max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; in mem_topology_setup()
160 max_low_pfn = lowmem_end_addr >> PAGE_SHIFT; in mem_topology_setup()
241 max_zone_pfns[ZONE_DMA] = min(max_low_pfn, in paging_init()
244 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
266 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.4/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-v5.4/arch/csky/mm/
Dinit.c45 max_mapnr = max_low_pfn; in mem_init()
47 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v5.4/arch/alpha/kernel/
Dsetup.c336 if (end > max_low_pfn) in setup_memory()
337 max_low_pfn = end; in setup_memory()
361 if (mem_size_limit && max_low_pfn >= mem_size_limit) in setup_memory()
365 max_low_pfn << (PAGE_SHIFT - 10)); in setup_memory()
366 max_low_pfn = mem_size_limit; in setup_memory()
380 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
381 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
385 phys_to_virt(PFN_PHYS(max_low_pfn))); in setup_memory()
1256 if (maxsize > (max_low_pfn + 1) << PAGE_SHIFT) in external_cache_probe()
1257 maxsize = 1 << (ilog2(max_low_pfn + 1) + PAGE_SHIFT); in external_cache_probe()
/Linux-v5.4/arch/nios2/kernel/
Dsetup.c165 max_low_pfn = PFN_DOWN(memory_end); in setup_arch()
166 max_mapnr = max_low_pfn; in setup_arch()
/Linux-v5.4/arch/s390/mm/
Dinit.c123 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
181 set_max_mapnr(max_low_pfn); in mem_init()
182 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v5.4/arch/mips/loongson64/loongson-3/
Dnuma.c193 max_low_pfn = end_pfn; in node_mem_init()
221 max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); in prom_meminit()
246 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
/Linux-v5.4/arch/riscv/mm/
Dinit.c36 (unsigned long) PFN_PHYS(max_low_pfn))); in zone_sizes_init()
38 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
54 high_memory = (void *)(__va(PFN_PHYS(max_low_pfn))); in mem_init()
69 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in setup_initrd()
119 max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); in setup_bootmem()

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