| /Linux-v6.6/tools/testing/selftests/mm/ |
| D | mremap_dontunmap.c | 19 unsigned long page_size; variable
46 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
53 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in kernel_support_for_mremap_dontunmap()
58 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
62 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
71 BUG_ON(size & (page_size - 1), in check_region_contains_byte()
73 BUG_ON((unsigned long)addr & (page_size - 1), in check_region_contains_byte()
76 memset(page_buffer, byte, page_size); in check_region_contains_byte()
78 unsigned long num_pages = size / page_size; in check_region_contains_byte()
84 memcmp(addr + (i * page_size), page_buffer, page_size); in check_region_contains_byte()
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| D | mlock2-tests.c | 194 unsigned long page_size = getpagesize(); in test_mlock_lock() local
196 map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE, in test_mlock_lock()
203 if (mlock2_(map, 2 * page_size, 0)) { in test_mlock_lock()
216 if (munlock(map, 2 * page_size)) { in test_mlock_lock()
224 munmap(map, 2 * page_size); in test_mlock_lock()
242 unsigned long page_size = getpagesize(); in unlock_onfault_check() local
245 is_vma_lock_on_fault((unsigned long)map + page_size)) { in unlock_onfault_check()
257 unsigned long page_size = getpagesize(); in test_mlock_onfault() local
259 map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE, in test_mlock_onfault()
266 if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) { in test_mlock_onfault()
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| D | mremap_test.c | 53 #define PTE page_size
155 static void mremap_expand_merge(FILE *maps_fp, unsigned long page_size) in mremap_expand_merge() argument
161 start = mmap(NULL, 3 * page_size, PROT_READ | PROT_WRITE, in mremap_expand_merge()
169 munmap(start + page_size, page_size); in mremap_expand_merge()
170 remap = mremap(start, page_size, 2 * page_size, 0); in mremap_expand_merge()
173 munmap(start, page_size); in mremap_expand_merge()
174 munmap(start + 2 * page_size, page_size); in mremap_expand_merge()
178 success = is_range_mapped(maps_fp, start, start + 3 * page_size); in mremap_expand_merge()
179 munmap(start, 3 * page_size); in mremap_expand_merge()
193 static void mremap_expand_merge_offset(FILE *maps_fp, unsigned long page_size) in mremap_expand_merge_offset() argument
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| D | map_fixed_noreplace.c | 46 unsigned long flags, addr, size, page_size; in main() local
49 page_size = sysconf(_SC_PAGE_SIZE); in main()
52 size = 5 * page_size; in main()
64 size = 5 * page_size; in main()
76 if (munmap((void *)addr, 5 * page_size) != 0) { in main()
84 addr = base_addr + page_size; in main()
85 size = 3 * page_size; in main()
105 size = 5 * page_size; in main()
125 addr = base_addr + (2 * page_size); in main()
126 size = page_size; in main()
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| D | ksm_tests.c | 348 long page_count, int timeout, size_t page_size) in check_ksm_merge() argument
359 map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count); in check_ksm_merge()
363 if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout)) in check_ksm_merge()
369 munmap(map_ptr, page_size * page_count); in check_ksm_merge()
377 munmap(map_ptr, page_size * page_count); in check_ksm_merge()
381 static int check_ksm_unmerge(int merge_type, int mapping, int prot, int timeout, size_t page_size) in check_ksm_unmerge() argument
393 map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count); in check_ksm_unmerge()
397 if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout)) in check_ksm_unmerge()
402 memset(map_ptr + page_size, '+', 1); in check_ksm_unmerge()
411 munmap(map_ptr, page_size * page_count); in check_ksm_unmerge()
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| D | uffd-unit-tests.c | 190 page_size = default_huge_page_size(); in uffd_setup_environment()
192 page_size = psize(); in uffd_setup_environment()
194 nr_pages = UFFD_TEST_MEM_SIZE / page_size; in uffd_setup_environment()
318 if (test_pin && pin_pages(&args, area_dst, page_size)) in pagemap_test_fork()
356 if (uffd_register(uffd, area_dst, nr_pages * page_size, in uffd_wp_unpopulated_test()
363 wp_range(uffd, (uint64_t)area_dst, page_size, true); in uffd_wp_unpopulated_test()
368 wp_range(uffd, (uint64_t)area_dst, page_size, false); in uffd_wp_unpopulated_test()
373 wp_range(uffd, (uint64_t)area_dst, page_size, true); in uffd_wp_unpopulated_test()
374 if (madvise(area_dst, page_size, MADV_DONTNEED)) in uffd_wp_unpopulated_test()
384 if (madvise(area_dst, page_size, MADV_DONTNEED)) in uffd_wp_unpopulated_test()
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| D | memfd_secret.c | 37 static unsigned long page_size; variable
181 mem = mmap(NULL, page_size, prot, mode, fd, 0); in test_remote_access()
187 ftruncate(fd, page_size); in test_remote_access()
188 memset(mem, PATTERN, page_size); in test_remote_access()
233 page_size = sysconf(_SC_PAGE_SIZE); in prepare()
234 if (!page_size) in prepare()
246 page_size, mlock_limit_cur, mlock_limit_max); in prepare()
248 if (page_size > mlock_limit_cur) in prepare()
249 mlock_limit_cur = page_size; in prepare()
250 if (page_size > mlock_limit_max) in prepare()
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| D | uffd-stress.c | 158 copy_page_retry(uffd, page_nr * page_size); in background_thread()
166 wp_range(uffd, (unsigned long)area_dst + start_nr * page_size, in background_thread()
167 nr_pages_per_cpu * page_size, true); in background_thread()
174 copy_page_retry(uffd, page_nr * page_size); in background_thread()
249 uint64_t mem_size = nr_pages * page_size; in userfaultfd_stress()
256 if (posix_memalign(&area, page_size, page_size)) in userfaultfd_stress()
259 bzero(zeropage, page_size); in userfaultfd_stress()
332 nr_pages * page_size, false); in userfaultfd_stress()
393 page_size = default_huge_page_size(); in parse_test_type_arg()
395 page_size = sysconf(_SC_PAGE_SIZE); in parse_test_type_arg()
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| D | khugepaged.c | 28 static unsigned long page_size; variable
572 for (i = start / page_size; i < end / page_size; i++) in fill_memory()
573 p[i * page_size / sizeof(*p)] = i + 0xdead0000; in fill_memory()
634 for (i = start / page_size; i < end / page_size; i++) { in validate_memory()
635 if (p[i * page_size / sizeof(*p)] != i + 0xdead0000) { in validate_memory()
637 i, p[i * page_size / sizeof(*p)]); in validate_memory()
925 madvise(p, page_size, MADV_DONTNEED); in alloc_at_fault()
962 ops->fault(p, 0, page_size); in collapse_single_pte_entry()
986 ops->fault(p, 0, (hpage_pmd_nr - max_ptes_none - 1) * page_size); in collapse_max_ptes_none()
989 validate_memory(p, 0, (hpage_pmd_nr - max_ptes_none - 1) * page_size); in collapse_max_ptes_none()
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| /Linux-v6.6/tools/testing/selftests/mincore/ |
| D | mincore_selftest.c | 33 int page_size; in TEST() local
37 page_size = sysconf(_SC_PAGESIZE); in TEST()
45 retval = mincore(NULL, page_size, vec); in TEST()
50 addr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in TEST()
58 retval = mincore(addr + 1, page_size, vec); in TEST()
70 retval = mincore(addr, page_size, NULL); in TEST()
73 munmap(addr, page_size); in TEST()
88 int page_size; in TEST() local
90 page_size = sysconf(_SC_PAGESIZE); in TEST()
94 addr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in TEST()
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| /Linux-v6.6/tools/testing/selftests/bpf/prog_tests/ |
| D | mmap.c | 12 long page_size = sysconf(_SC_PAGE_SIZE); in roundup_page() local
13 return (sz + page_size - 1) / page_size * page_size; in roundup_page()
21 const long page_size = sysconf(_SC_PAGE_SIZE); in test_mmap() local
36 err = bpf_map__set_max_entries(skel->maps.rdonly_map, page_size); in test_mmap()
42 4 * (page_size / sizeof(u64))); in test_mmap()
55 tmp1 = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0); in test_mmap()
57 munmap(tmp1, page_size); in test_mmap()
61 tmp1 = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rdmap_fd, 0); in test_mmap()
200 tmp0 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, in test_mmap()
206 tmp1 = mmap(tmp0, 3 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED, in test_mmap()
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| D | ringbuf.c | 92 int page_size = getpagesize(); in ringbuf_subtest() local
99 skel->maps.ringbuf.max_entries = page_size; in ringbuf_subtest()
107 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0); in ringbuf_subtest()
109 tmp_ptr = mremap(mmap_ptr, page_size, 2 * page_size, MREMAP_MAYMOVE); in ringbuf_subtest()
112 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in ringbuf_subtest()
113 ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw"); in ringbuf_subtest()
116 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size); in ringbuf_subtest()
122 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
126 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 3 * page_size); in ringbuf_subtest()
128 mmap_ptr = mmap(NULL, 2 * page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
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| D | ringbuf_multi.c | 46 int page_size = getpagesize(); in test_ringbuf_multi() local
54 ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), page_size, "rb1_size_before"); in test_ringbuf_multi()
55 ASSERT_OK(bpf_map__set_max_entries(skel->maps.ringbuf1, page_size + 1), "rb1_resize"); in test_ringbuf_multi()
56 ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), 2 * page_size, "rb1_size_after"); in test_ringbuf_multi()
57 ASSERT_OK(bpf_map__set_max_entries(skel->maps.ringbuf1, page_size), "rb1_reset"); in test_ringbuf_multi()
58 ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), page_size, "rb1_size_final"); in test_ringbuf_multi()
60 proto_fd = bpf_map_create(BPF_MAP_TYPE_RINGBUF, NULL, 0, 0, page_size, NULL); in test_ringbuf_multi()
76 …if (!ASSERT_ERR(bpf_map__set_max_entries(skel->maps.ringbuf1, 3 * page_size), "rb1_resize_after_lo… in test_ringbuf_multi()
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| /Linux-v6.6/drivers/mtd/spi-nor/ |
| D | xilinx.c | 33 .page_size = (_page_size), \
59 u32 page_size = nor->params->page_size; in s3an_nor_convert_addr() local
62 offset = addr % page_size; in s3an_nor_convert_addr()
63 page = addr / page_size; in s3an_nor_convert_addr()
64 page <<= (page_size > 512) ? 10 : 9; in s3an_nor_convert_addr()
119 u32 page_size; in xilinx_nor_setup() local
144 page_size = (nor->params->page_size == 264) ? 256 : 512; in xilinx_nor_setup()
145 nor->params->page_size = page_size; in xilinx_nor_setup()
146 nor->mtd.writebufsize = page_size; in xilinx_nor_setup()
147 nor->params->size = 8 * page_size * nor->info->n_sectors; in xilinx_nor_setup()
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| /Linux-v6.6/drivers/pci/endpoint/ |
| D | pci-epc-mem.c | 26 unsigned int page_shift = ilog2(mem->window.page_size); in pci_epc_mem_get_order()
54 size_t page_size; in pci_epc_multi_mem_init() local
70 page_size = windows[i].page_size; in pci_epc_multi_mem_init()
71 if (page_size < PAGE_SIZE) in pci_epc_multi_mem_init()
72 page_size = PAGE_SIZE; in pci_epc_multi_mem_init()
73 page_shift = ilog2(page_size); in pci_epc_multi_mem_init()
94 mem->window.page_size = page_size; in pci_epc_multi_mem_init()
129 size_t size, size_t page_size) in pci_epc_mem_init() argument
135 mem_window.page_size = page_size; in pci_epc_mem_init()
192 align_size = ALIGN(size, mem->window.page_size); in pci_epc_mem_alloc_addr()
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| /Linux-v6.6/tools/testing/selftests/powerpc/primitives/ |
| D | load_unaligned_zeropad.c | 38 static int page_size; variable
43 if (mprotect(mem_region + page_size, page_size, PROT_NONE)) { in protect_region()
53 if (mprotect(mem_region + page_size, page_size, PROT_READ|PROT_WRITE)) { in unprotect_region()
125 page_size = getpagesize(); in test_body()
126 mem_region = mmap(NULL, page_size * 2, PROT_READ|PROT_WRITE, in test_body()
131 for (i = 0; i < page_size; i++) in test_body()
134 memset(mem_region+page_size, 0, page_size); in test_body()
138 for (i = 0; i < page_size; i++) in test_body()
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| /Linux-v6.6/drivers/accel/habanalabs/common/mmu/ |
| D | mmu.c | 32 return hl_mem_area_inside_range(virt_addr, prop->dmmu.page_size, in hl_is_dram_va()
175 u32 page_size, u32 *real_page_size, bool is_dram_addr) in hl_mmu_get_real_page_size() argument
181 if ((page_size % mmu_prop->page_size) == 0) { in hl_mmu_get_real_page_size()
182 *real_page_size = mmu_prop->page_size; in hl_mmu_get_real_page_size()
187 page_size, mmu_prop->page_size >> 10); in hl_mmu_get_real_page_size()
192 static struct hl_mmu_properties *hl_mmu_get_prop(struct hl_device *hdev, u32 page_size, in hl_mmu_get_prop() argument
199 else if ((page_size % prop->pmmu_huge.page_size) == 0) in hl_mmu_get_prop()
226 int hl_mmu_unmap_page(struct hl_ctx *ctx, u64 virt_addr, u32 page_size, bool flush_pte) in hl_mmu_unmap_page() argument
240 mmu_prop = hl_mmu_get_prop(hdev, page_size, is_dram_addr); in hl_mmu_unmap_page()
245 rc = hdev->asic_funcs->mmu_get_real_page_size(hdev, mmu_prop, page_size, &real_page_size, in hl_mmu_unmap_page()
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| /Linux-v6.6/arch/powerpc/mm/ |
| D | init_64.c | 188 unsigned long page_size) in altmap_cross_boundary() argument
190 unsigned long nr_pfn = page_size / sizeof(struct page); in altmap_cross_boundary()
206 unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift; in __vmemmap_populate() local
209 start = ALIGN_DOWN(start, page_size); in __vmemmap_populate()
213 for (; start < end; start += page_size) { in __vmemmap_populate()
223 if (vmemmap_populated(start, page_size)) in __vmemmap_populate()
231 if (altmap && !altmap_cross_boundary(altmap, start, page_size)) { in __vmemmap_populate()
232 p = vmemmap_alloc_block_buf(page_size, node, altmap); in __vmemmap_populate()
239 p = vmemmap_alloc_block_buf(page_size, node, NULL); in __vmemmap_populate()
252 int nr_pfns = page_size >> PAGE_SHIFT; in __vmemmap_populate()
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| /Linux-v6.6/drivers/misc/ |
| D | vmw_balloon.c | 245 enum vmballoon_page_size_type page_size; member
574 unsigned int vmballoon_page_order(enum vmballoon_page_size_type page_size) in vmballoon_page_order() argument
576 return page_size == VMW_BALLOON_2M_PAGE ? VMW_BALLOON_2M_ORDER : 0; in vmballoon_page_order()
586 vmballoon_page_in_frames(enum vmballoon_page_size_type page_size) in vmballoon_page_in_frames() argument
588 return 1 << vmballoon_page_order(page_size); in vmballoon_page_in_frames()
598 enum vmballoon_page_size_type page_size) in vmballoon_mark_page_offline() argument
602 for (i = 0; i < vmballoon_page_in_frames(page_size); i++) in vmballoon_mark_page_offline()
613 enum vmballoon_page_size_type page_size) in vmballoon_mark_page_online() argument
617 for (i = 0; i < vmballoon_page_in_frames(page_size); i++) in vmballoon_mark_page_online()
677 if (ctl->page_size == VMW_BALLOON_2M_PAGE) in vmballoon_alloc_page_list()
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| /Linux-v6.6/tools/testing/selftests/kvm/lib/s390x/ |
| D | processor.c | 17 TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x", in virt_arch_pgd_alloc()
18 vm->page_size); in virt_arch_pgd_alloc()
26 memset(addr_gpa2hva(vm, paddr), 0xff, PAGES_PER_REGION * vm->page_size); in virt_arch_pgd_alloc()
43 memset(addr_gpa2hva(vm, taddr), 0xff, PAGES_PER_REGION * vm->page_size); in virt_alloc_region()
55 TEST_ASSERT((gva % vm->page_size) == 0, in virt_arch_pg_map()
58 gva, vm->page_size); in virt_arch_pg_map()
63 TEST_ASSERT((gpa % vm->page_size) == 0, in virt_arch_pg_map()
66 gva, vm->page_size); in virt_arch_pg_map()
70 gva, vm->max_gfn, vm->page_size); in virt_arch_pg_map()
94 TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x", in addr_arch_gva2gpa()
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| /Linux-v6.6/drivers/accel/habanalabs/common/ |
| D | memory.c | 29 static int set_alloc_page_size(struct hl_device *hdev, struct hl_mem_in *args, u32 *page_size) in set_alloc_page_size() argument
38 if (prop->supports_user_set_page_size && args->alloc.page_size) { in set_alloc_page_size()
39 psize = args->alloc.page_size; in set_alloc_page_size()
49 *page_size = psize; in set_alloc_page_size()
94 u32 num_curr_pgs, page_size; in alloc_device_memory() local
100 rc = set_alloc_page_size(hdev, args, &page_size); in alloc_device_memory()
104 num_pgs = DIV_ROUND_UP_ULL(args->alloc.mem_size, page_size); in alloc_device_memory()
105 total_size = num_pgs * page_size; in alloc_device_memory()
115 if (is_power_of_2(page_size)) in alloc_device_memory()
117 total_size, NULL, page_size); in alloc_device_memory()
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| /Linux-v6.6/drivers/net/ethernet/qlogic/qed/ |
| D | qed_chain.c | 22 params->page_size); in qed_chain_init()
24 params->page_size, in qed_chain_init()
33 chain->page_size = params->page_size; in qed_chain_init()
88 dma_free_coherent(dev, chain->page_size, virt, phys); in qed_chain_free_next_ptr()
101 dma_free_coherent(&cdev->pdev->dev, chain->page_size, in qed_chain_free_single()
119 dma_free_coherent(dev, chain->page_size, entry->virt_addr, in qed_chain_free_pbl()
164 chain_size = ELEMS_PER_PAGE(params->elem_size, params->page_size); in qed_chain_alloc_sanity_check()
207 virt = dma_alloc_coherent(dev, chain->page_size, &phys, in qed_chain_alloc_next_ptr()
238 virt = dma_alloc_coherent(&cdev->pdev->dev, chain->page_size, in qed_chain_alloc_single()
290 virt = dma_alloc_coherent(dev, chain->page_size, &phys, in qed_chain_alloc_pbl()
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| /Linux-v6.6/tools/power/acpi/os_specific/service_layers/ |
| D | osunixmap.c | 67 acpi_size page_size; in acpi_os_map_memory() local
78 page_size = acpi_os_get_page_size(); in acpi_os_map_memory()
79 offset = where % page_size; in acpi_os_map_memory()
112 acpi_size page_size; in acpi_os_unmap_memory() local
114 page_size = acpi_os_get_page_size(); in acpi_os_unmap_memory()
115 offset = ACPI_TO_INTEGER(where) % page_size; in acpi_os_unmap_memory()
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| /Linux-v6.6/drivers/infiniband/hw/mlx5/ |
| D | mem.c | 41 void mlx5_ib_populate_pas(struct ib_umem *umem, size_t page_size, __be64 *pas, in mlx5_ib_populate_pas() argument
46 rdma_umem_for_each_dma_block (umem, &biter, page_size) { in mlx5_ib_populate_pas()
64 unsigned long page_size; in __mlx5_umem_find_best_quantized_pgoff() local
67 page_size = ib_umem_find_best_pgoff(umem, pgsz_bitmap, pgoff_bitmask); in __mlx5_umem_find_best_quantized_pgoff()
68 if (!page_size) in __mlx5_umem_find_best_quantized_pgoff()
78 page_offset = ib_umem_dma_offset(umem, page_size); in __mlx5_umem_find_best_quantized_pgoff()
79 while (page_offset & ~(u64)(page_offset_mask * (page_size / scale))) { in __mlx5_umem_find_best_quantized_pgoff()
80 page_size /= 2; in __mlx5_umem_find_best_quantized_pgoff()
81 page_offset = ib_umem_dma_offset(umem, page_size); in __mlx5_umem_find_best_quantized_pgoff()
88 if (!(pgsz_bitmap & page_size)) in __mlx5_umem_find_best_quantized_pgoff()
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| /Linux-v6.6/tools/testing/selftests/powerpc/copyloops/ |
| D | exc_validate.c | 81 int page_size; in test_copy_exception() local
85 page_size = getpagesize(); in test_copy_exception()
86 p = mmap(NULL, page_size * 2, PROT_READ|PROT_WRITE, in test_copy_exception()
94 memset(p, 0, page_size); in test_copy_exception()
98 if (mprotect(p + page_size, page_size, PROT_NONE)) { in test_copy_exception()
103 q = p + page_size - MAX_LEN; in test_copy_exception()
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