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Searched refs:max_low_pfn (Results 1 - 25 of 139) sorted by relevance

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/kernel/linux/linux-5.10/arch/xtensa/mm/
H A 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()
154 (max_low_pfn - min_low_pfn) * PAGE_SIZE, in mem_init()
156 min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE, in mem_init()
158 ((max_low_pfn in mem_init()
[all...]
/kernel/linux/linux-5.10/arch/x86/mm/
H A 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()
48 printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n", in initmem_init()
49 max_low_pfn, highstart_pfn); in initmem_init()
52 (ulong) pfn_to_kaddr(max_low_pfn)); in initmem_init()
H A Dinit_32.c254 * of max_low_pfn pages, by creating page tables starting from address
471 * definition. And max_low_pfn is set to VMALLOC_END physical in native_pagetable_init()
473 * should have pte used near max_low_pfn or one pmd is not present. in native_pagetable_init()
475 for (pfn = max_low_pfn; pfn < 1<<(32-PAGE_SHIFT); pfn++) { in native_pagetable_init()
489 pr_warn("try to clear pte for ram above max_low_pfn: pfn: %lx pmd: %p pmd phys: %lx, but pmd is big page and is not using pte !\n", in native_pagetable_init()
498 printk(KERN_DEBUG "clearing pte for ram above max_low_pfn: pfn: %lx pmd: %p pmd phys: %lx pte: %p pte phys: %lx\n", in native_pagetable_init()
586 /* max_low_pfn is 0, we already have early_res support */ in lowmem_pfn_init()
587 max_low_pfn = max_pfn; in lowmem_pfn_init()
598 if (max_low_pfn - highmem_pages < 64*1024*1024/PAGE_SIZE) { in lowmem_pfn_init()
603 max_low_pfn in lowmem_pfn_init()
[all...]
/kernel/linux/linux-6.6/arch/x86/mm/
H A 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()
48 printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n", in initmem_init()
49 max_low_pfn, highstart_pfn); in initmem_init()
52 (ulong) pfn_to_kaddr(max_low_pfn)); in initmem_init()
H A Dinit_32.c245 * of max_low_pfn pages, by creating page tables starting from address
449 * definition. And max_low_pfn is set to VMALLOC_END physical in native_pagetable_init()
451 * should have pte used near max_low_pfn or one pmd is not present. in native_pagetable_init()
453 for (pfn = max_low_pfn; pfn < 1<<(32-PAGE_SHIFT); pfn++) { in native_pagetable_init()
467 pr_warn("try to clear pte for ram above max_low_pfn: pfn: %lx pmd: %p pmd phys: %lx, but pmd is big page and is not using pte !\n", in native_pagetable_init()
476 printk(KERN_DEBUG "clearing pte for ram above max_low_pfn: pfn: %lx pmd: %p pmd phys: %lx pte: %p pte phys: %lx\n", in native_pagetable_init()
556 /* max_low_pfn is 0, we already have early_res support */ in lowmem_pfn_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 in lowmem_pfn_init()
[all...]
/kernel/linux/linux-6.6/arch/xtensa/mm/
H A 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 in mem_init()
[all...]
/kernel/linux/linux-6.6/arch/csky/kernel/
H A 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()
/kernel/linux/linux-5.10/arch/csky/kernel/
H A 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()
50 max_low_pfn = min_low_pfn + sseg_size; in csky_memblock_init()
53 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in csky_memblock_init()
58 highstart_pfn = max_low_pfn; in csky_memblock_init()
61 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in csky_memblock_init()
/kernel/linux/linux-5.10/arch/sparc/mm/
H A 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()
/kernel/linux/linux-5.10/arch/alpha/mm/
H A Dnuma.c127 if (node_max_pfn > max_low_pfn) in setup_memory_node()
128 max_pfn = max_low_pfn = node_max_pfn; in setup_memory_node()
171 max_low_pfn = 0UL; in setup_memory()
187 if ((void *)initrd_end > phys_to_virt(PFN_PHYS(max_low_pfn))) { in setup_memory()
188 if (!move_initrd(PFN_PHYS(max_low_pfn))) in setup_memory()
192 phys_to_virt(PFN_PHYS(max_low_pfn))); in setup_memory()
/kernel/linux/linux-5.10/arch/ia64/mm/
H A Dcontig.c154 max_low_pfn = 0; in find_memory()
156 max_pfn = max_low_pfn; in find_memory()
161 memblock_add_node(0, PFN_PHYS(max_low_pfn), 0); in find_memory()
184 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
195 map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * in paging_init()
/kernel/linux/linux-6.6/arch/sparc/mm/
H A 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()
/kernel/linux/linux-5.10/arch/microblaze/mm/
H A Dinit.c50 EXPORT_SYMBOL(max_low_pfn); variable
69 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
99 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
151 * max_low_pfn in setup_memory()
159 max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT; in setup_memory()
164 pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn); in setup_memory()
192 return pfn < max_low_pfn; in page_is_ram()
/kernel/linux/linux-6.6/arch/microblaze/mm/
H A Dinit.c46 EXPORT_SYMBOL(max_low_pfn); variable
60 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) { in highmem_setup()
88 zones_size[ZONE_DMA] = max_low_pfn; in paging_init()
106 * max_low_pfn in setup_memory()
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()
/kernel/linux/linux-5.10/arch/loongarch/loongson64/
H A Dmem.c35 if (max_low_pfn < (mem_end >> PAGE_SHIFT)) in memblock_init()
36 max_low_pfn = mem_end >> PAGE_SHIFT; in memblock_init()
53 memblock_set_current_limit(PFN_PHYS(max_low_pfn)); in memblock_init()
H A Dnuma.c257 max_pfn = max_low_pfn; in numa_meminfo_cover_memory()
400 max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); in init_numa_memory()
421 if (end_pfn > max_low_pfn) in paging_init()
422 max_low_pfn = end_pfn; in paging_init()
427 zones_size[ZONE_NORMAL] = max_low_pfn; in paging_init()
433 high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); in mem_init()
/kernel/linux/linux-6.6/arch/loongarch/kernel/
H A 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()
/kernel/linux/linux-5.10/arch/mips/kernel/
H A Dsetup.c221 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
286 /* max_low_pfn is not a number of pages but the end pfn of low mem */ in bootmem_init()
308 * Skip highmem here so we get an accurate max_low_pfn if low in bootmem_init()
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()
652 * This cannot be done before max_low_pfn i in arch_mem_init()
[all...]
/kernel/linux/linux-6.6/arch/mips/kernel/
H A Dsetup.c225 if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { in finalize_initrd()
290 /* max_low_pfn is not a number of pages but the end pfn of low mem */ in bootmem_init()
312 * Skip highmem here so we get an accurate max_low_pfn if low in bootmem_init()
321 if (end > max_low_pfn) in bootmem_init()
322 max_low_pfn = end; in bootmem_init()
325 if (min_low_pfn >= max_low_pfn) in bootmem_init()
329 max_low_pfn = PFN_DOWN(HIGHMEM_START); in bootmem_init()
331 highstart_pfn = max_low_pfn; in bootmem_init()
334 max_pfn = max_low_pfn; in bootmem_init()
664 * This cannot be done before max_low_pfn i in arch_mem_init()
[all...]
/kernel/linux/linux-5.10/arch/hexagon/mm/
H A Dinit.c104 max_zone_pfn[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()
/kernel/linux/linux-6.6/arch/ia64/mm/
H A 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, MEMBLOCK_NONE); in find_memory()
202 max_zone_pfns[ZONE_NORMAL] = max_low_pfn; in paging_init()
/kernel/linux/linux-6.6/arch/arc/mm/
H A 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()
/kernel/linux/linux-5.10/arch/loongarch/kernel/
H A Dsetup.c120 * Skip highmem here so we get an accurate max_low_pfn if low in dt_bootmem_init()
129 if (end > max_low_pfn) in dt_bootmem_init()
130 max_low_pfn = end; in dt_bootmem_init()
133 if (min_low_pfn >= max_low_pfn) in dt_bootmem_init()
141 max_low_pfn = PFN_DOWN(HIGHMEM_START); in dt_bootmem_init()
142 max_pfn = max_low_pfn; in dt_bootmem_init()
319 dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); in arch_mem_init()
327 early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn)); in arch_mem_init()
/kernel/linux/linux-5.10/arch/openrisc/mm/
H A Dinit.c52 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in zone_sizes_init()
148 end = (unsigned long)__va(max_low_pfn * PAGE_SIZE); in paging_init()
205 max_mapnr = max_low_pfn; in mem_init()
206 high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); in mem_init()
/kernel/linux/linux-6.6/arch/hexagon/mm/
H A Dinit.c101 max_zone_pfn[ZONE_NORMAL] = max_low_pfn; in paging_init()
168 max_low_pfn = bootmem_lastpg - PFN_DOWN(DMA_RESERVED_BYTES); in setup_arch_memory()
170 memblock_reserve(PFN_PHYS(max_low_pfn), DMA_RESERVED_BYTES); in setup_arch_memory()
175 printk(KERN_INFO "max_low_pfn: 0x%08lx\n", max_low_pfn); in setup_arch_memory()

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