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

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/linux-6.12.1/arch/x86/mm/
Dnuma_32.c40 if (max_pfn > max_low_pfn) in initmem_init()
41 highstart_pfn = max_low_pfn; in initmem_init()
46 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
49 pages_to_mb(max_low_pfn)); in initmem_init()
51 max_low_pfn, highstart_pfn); in initmem_init()
54 (ulong) pfn_to_kaddr(max_low_pfn)); in initmem_init()
Dinit_32.c453 for (pfn = max_low_pfn; pfn < 1<<(32-PAGE_SHIFT); pfn++) { in native_pagetable_init()
557 max_low_pfn = max_pfn; in lowmem_pfn_init()
568 if (max_low_pfn - highmem_pages < 64*1024*1024/PAGE_SIZE) { in lowmem_pfn_init()
573 max_low_pfn -= highmem_pages; in lowmem_pfn_init()
592 max_low_pfn = MAXMEM_PFN; in highmem_pfn_init()
642 if (max_pfn > max_low_pfn) in initmem_init()
643 highstart_pfn = max_low_pfn; in initmem_init()
648 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; in initmem_init()
654 max_mapnr = IS_ENABLED(CONFIG_HIGHMEM) ? highend_pfn : max_low_pfn; in initmem_init()
659 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.c356 if ((end >> PAGE_SHIFT) > max_low_pfn) in adjust_range_page_size_mask()
762 end = max_low_pfn << PAGE_SHIFT; in init_mem_mapping()
792 if (max_pfn > max_low_pfn) { in init_mem_mapping()
794 max_low_pfn = max_pfn; in init_mem_mapping()
997 max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); in zone_sizes_init()
1000 max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn); in zone_sizes_init()
1002 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
/linux-6.12.1/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-6.12.1/arch/csky/kernel/
Dsetup.c30 max_low_pfn = max_pfn = PFN_DOWN(memblock_end_of_DRAM()); in csky_memblock_init()
35 max_low_pfn = min_low_pfn + lowmem_size; in csky_memblock_init()
40 max_low_pfn = min_low_pfn + sseg_size; in csky_memblock_init()
43 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in csky_memblock_init()
45 mmu_init(min_low_pfn, max_low_pfn); in csky_memblock_init()
50 highstart_pfn = max_low_pfn; in csky_memblock_init()
53 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in csky_memblock_init()
/linux-6.12.1/arch/microblaze/mm/
Dinit.c46 EXPORT_SYMBOL(max_low_pfn);
60 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
88 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
114 max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT; in setup_memory()
119 pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn); in setup_memory()
140 return pfn < max_low_pfn; in page_is_ram()
/linux-6.12.1/arch/sparc/mm/
Dinit_32.c67 if (end_pfn <= max_low_pfn) in calc_highpages()
70 if (start_pfn < max_low_pfn) in calc_highpages()
71 start_pfn = max_low_pfn; in calc_highpages()
178 max_low_pfn = max_pfn; in bootmem_init()
181 if (max_low_pfn > pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT)) { in bootmem_init()
183 max_low_pfn = calc_max_low_pfn(); in bootmem_init()
200 memblock_set_current_limit(max_low_pfn << PAGE_SHIFT); in bootmem_init()
279 high_memory = __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/linux-6.12.1/arch/mips/kernel/
Dsetup.c221 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
317 if (end > max_low_pfn) in bootmem_init()
318 max_low_pfn = end; in bootmem_init()
321 if (min_low_pfn >= max_low_pfn) in bootmem_init()
325 max_low_pfn = PFN_DOWN(HIGHMEM_START); in bootmem_init()
327 highstart_pfn = max_low_pfn; in bootmem_init()
330 max_pfn = max_low_pfn; in bootmem_init()
661 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in arch_mem_init()
680 dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); in arch_mem_init()
686 early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn)); in arch_mem_init()
/linux-6.12.1/arch/loongarch/kernel/
Dmem.c34 if (max_low_pfn < (mem_end >> PAGE_SHIFT)) in memblock_init()
35 max_low_pfn = mem_end >> PAGE_SHIFT; in memblock_init()
52 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in memblock_init()
Dnuma.c359 max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); in init_numa_memory()
380 if (end_pfn > max_low_pfn) in paging_init()
381 max_low_pfn = end_pfn; in paging_init()
386 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
392 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/linux-6.12.1/arch/arc/mm/
Dinit.c94 max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); in setup_arch_memory()
126 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in setup_arch_memory()
160 max_mapnr = max_low_pfn - min_low_pfn; in setup_arch_memory()
199 (pfn >= min_low_pfn && pfn <= max_low_pfn); in pfn_valid()
/linux-6.12.1/arch/mips/mm/
Dinit.c417 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
421 if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) { in paging_init()
424 (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10)); in paging_init()
425 max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn; in paging_init()
427 max_mapnr = max_low_pfn; in paging_init()
431 max_mapnr = max_low_pfn; in paging_init()
434 max_mapnr = max_low_pfn; in paging_init()
436 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in paging_init()
/linux-6.12.1/arch/hexagon/mm/
Dinit.c102 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in paging_init()
169 max_low_pfn = bootmem_lastpg - PFN_DOWN(DMA_RESERVED_BYTES); in setup_arch_memory()
171 memblock_reserve(PFN_PHYS(max_low_pfn), DMA_RESERVED_BYTES); in setup_arch_memory()
176 printk(KERN_INFO "max_low_pfn: 0x%08lx\n", max_low_pfn); in setup_arch_memory()
/linux-6.12.1/arch/mips/loongson64/
Dnuma.c108 max_low_pfn = end_pfn; in node_mem_init()
140 max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); in prom_meminit()
163 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
/linux-6.12.1/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-6.12.1/arch/alpha/kernel/
Dsetup.c305 if (end > max_low_pfn) in setup_memory()
306 max_low_pfn = end; in setup_memory()
337 if (mem_size_limit && max_low_pfn >= mem_size_limit) in setup_memory()
341 max_low_pfn << (PAGE_SHIFT - 10)); in setup_memory()
342 max_low_pfn = mem_size_limit; in setup_memory()
356 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
357 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
361 phys_to_virt(PFN_PHYS(max_low_pfn))); in setup_memory()
1169 if (maxsize > (max_low_pfn + 1) << PAGE_SHIFT) in external_cache_probe()
1170 maxsize = 1 << (ilog2(max_low_pfn + 1) + PAGE_SHIFT); in external_cache_probe()
/linux-6.12.1/arch/powerpc/mm/
Dmem.c123 max_low_pfn = end_pfn; in update_end_of_memory_vars()
173 max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; in mem_topology_setup()
176 max_low_pfn = lowmem_end_addr >> PAGE_SHIFT; in mem_topology_setup()
263 max_zone_pfns[ZONE_DMA] = min(max_low_pfn, in paging_init()
266 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
/linux-6.12.1/arch/openrisc/mm/
Dinit.c48 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
196 max_mapnr = max_low_pfn; in mem_init()
197 high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); in mem_init()
/linux-6.12.1/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-6.12.1/arch/nios2/kernel/
Dsetup.c158 find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); in setup_arch()
159 max_mapnr = max_low_pfn; in setup_arch()
/linux-6.12.1/arch/arm/mm/
Dinit.c210 find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); in bootmem_init()
213 (phys_addr_t)max_low_pfn << PAGE_SHIFT); in bootmem_init()
226 zone_sizes_init(min_low_pfn, max_low_pfn, max_pfn); in bootmem_init()
243 unsigned long max_low = max_low_pfn; in free_highpages()
/linux-6.12.1/arch/s390/mm/
Dinit.c103 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
164 set_max_mapnr(max_low_pfn); in mem_init()
165 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); in mem_init()
/linux-6.12.1/arch/loongarch/mm/
Dinit.c74 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
81 max_mapnr = max_low_pfn; in mem_init()
82 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/linux-6.12.1/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()

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