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Searched refs:max_low_pfn (Results 1 – 25 of 70) sorted by relevance

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/Linux-v4.19/arch/xtensa/mm/
Dinit.c61 max_low_pfn = min(max_pfn, MAX_LOW_PFN); 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_DMA] = 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()
193 ((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20, in mem_init()
/Linux-v4.19/arch/x86/mm/
Dnuma_32.c73 if (max_pfn > max_low_pfn) in initmem_init()
74 highstart_pfn = max_low_pfn; in initmem_init()
79 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
82 pages_to_mb(max_low_pfn)); in initmem_init()
84 max_low_pfn, highstart_pfn); in initmem_init()
87 (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()
[all …]
Dphysaddr.c78 if (max_low_pfn) { in __phys_addr()
79 VIRTUAL_BUG_ON((phys_addr >> PAGE_SHIFT) > max_low_pfn); in __phys_addr()
Dinit.c291 if ((end >> PAGE_SHIFT) > max_low_pfn) in adjust_range_page_size_mask()
658 end = max_low_pfn << PAGE_SHIFT; in init_mem_mapping()
688 if (max_pfn > max_low_pfn) { in init_mem_mapping()
690 max_low_pfn = max_pfn; in init_mem_mapping()
899 max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); in zone_sizes_init()
902 max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn); in zone_sizes_init()
904 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
/Linux-v4.19/arch/mips/kernel/
Dsetup.c329 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
403 max_low_pfn = 0; in bootmem_init()
434 if (end > max_low_pfn) in bootmem_init()
435 max_low_pfn = end; in bootmem_init()
450 if (min_low_pfn >= max_low_pfn) in bootmem_init()
477 max_pfn = max_low_pfn; in bootmem_init()
478 if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) { in bootmem_init()
481 highend_pfn = max_low_pfn; in bootmem_init()
483 max_low_pfn = PFN_DOWN(HIGHMEM_START); in bootmem_init()
498 bootmap_size = bootmap_bytes(max_low_pfn - min_low_pfn); in bootmem_init()
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/Linux-v4.19/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-v4.19/arch/sparc/mm/
Dinit_32.c71 if (end_pfn <= max_low_pfn) in calc_highpages()
74 if (start_pfn < max_low_pfn) in calc_highpages()
75 start_pfn = max_low_pfn; in calc_highpages()
182 max_low_pfn = max_pfn; in bootmem_init()
185 if (max_low_pfn > pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT)) { in bootmem_init()
187 max_low_pfn = calc_max_low_pfn(); in bootmem_init()
279 high_memory = __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/Linux-v4.19/arch/riscv/mm/
Dinit.c32 max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn)); in zone_sizes_init()
34 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
57 high_memory = (void *)(__va(PFN_PHYS(max_low_pfn))); in mem_init()
/Linux-v4.19/arch/alpha/kernel/
Dsetup.c336 if (end > max_low_pfn) in setup_memory()
337 max_low_pfn = end; in setup_memory()
358 if (mem_size_limit && max_low_pfn >= mem_size_limit) in setup_memory()
362 max_low_pfn << (PAGE_SHIFT - 10)); in setup_memory()
363 max_low_pfn = mem_size_limit; in setup_memory()
372 if (max_low_pfn <= end_kernel_pfn) in setup_memory()
377 bootmap_pages = bootmem_bootmap_pages(max_low_pfn); in setup_memory()
386 if (start >= max_low_pfn) in setup_memory()
388 if (end > max_low_pfn) in setup_memory()
389 end = max_low_pfn; in setup_memory()
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/Linux-v4.19/arch/nios2/kernel/
Dsetup.c163 max_low_pfn = PFN_DOWN(memory_end); in setup_arch()
164 max_mapnr = max_low_pfn; in setup_arch()
171 min_low_pfn, PFN_DOWN(PHYS_OFFSET), max_low_pfn); in setup_arch()
174 max_low_pfn); in setup_arch()
/Linux-v4.19/arch/hexagon/mm/
Dinit.c140 zones_sizes[ZONE_NORMAL] = max_low_pfn; in paging_init()
203 max_low_pfn = bootmem_lastpg - PFN_DOWN(DMA_RESERVED_BYTES); in setup_arch_memory()
205 bootmap_size = init_bootmem_node(NODE_DATA(0), bootmem_startpg, min_low_pfn, max_low_pfn); in setup_arch_memory()
211 printk(KERN_INFO "max_low_pfn: 0x%08lx\n", max_low_pfn); in setup_arch_memory()
/Linux-v4.19/arch/openrisc/mm/
Dinit.c62 zones_size[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
152 end = (unsigned long)__va(max_low_pfn * PAGE_SIZE); in paging_init()
209 max_mapnr = max_low_pfn; in mem_init()
210 high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v4.19/arch/alpha/mm/
Dnuma.c130 if (node_max_pfn > max_low_pfn) in setup_memory_node()
131 max_pfn = max_low_pfn = node_max_pfn; in setup_memory_node()
261 max_low_pfn = 0UL; in setup_memory()
274 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
275 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
279 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-v4.19/arch/unicore32/kernel/
Dhibernate.c90 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
96 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
108 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
/Linux-v4.19/arch/microblaze/mm/
Dinit.c75 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
105 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
165 max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT; in setup_memory()
170 pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn); in setup_memory()
236 return pfn < max_low_pfn; in page_is_ram()
/Linux-v4.19/arch/x86/power/
Dhibernate_32.c101 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
105 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
124 if (pfn >= max_low_pfn) in resume_physical_mapping_init()
/Linux-v4.19/arch/mips/mm/
Dinit.c415 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
419 if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) { in paging_init()
422 (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10)); in paging_init()
423 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-v4.19/arch/arc/mm/
Dinit.c120 max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); in setup_arch_memory()
124 max_mapnr = max_low_pfn - min_low_pfn; in setup_arch_memory()
157 zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; in setup_arch_memory()
/Linux-v4.19/arch/mips/loongson64/loongson-3/
Dnuma.c208 max_low_pfn = end_pfn; in node_mem_init()
266 if (end_pfn > max_low_pfn) in paging_init()
267 max_low_pfn = end_pfn; in paging_init()
272 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
/Linux-v4.19/arch/s390/mm/
Dinit.c115 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
132 set_max_mapnr(max_low_pfn); in mem_init()
133 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/Linux-v4.19/arch/h8300/kernel/
Dsetup.c88 max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); in bootmem_init()
89 max_pfn = max_low_pfn; in bootmem_init()
/Linux-v4.19/arch/ia64/kernel/
Dia64_ksyms.c11 EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic code */
/Linux-v4.19/arch/sh/include/asm/
Dpage.h52 extern unsigned long max_low_pfn, min_low_pfn;
181 #define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_low_pfn)

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