| /linux/arch/powerpc/mm/nohash/ |
| H A D | kaslr_booke.c | 23 struct regions { struct
38 struct regions __initdata regions; argument
113 if (regions.reserved_mem < 0) in overlaps_reserved_region()
117 for (subnode = fdt_first_subnode(fdt, regions.reserved_mem); in overlaps_reserved_region()
125 while (len >= (regions.reserved_mem_addr_cells + in overlaps_reserved_region()
126 regions.reserved_mem_size_cells)) { in overlaps_reserved_region()
128 if (regions.reserved_mem_addr_cells == 2) in overlaps_reserved_region()
131 reg += regions.reserved_mem_addr_cells; in overlaps_reserved_region()
132 len -= 4 * regions.reserved_mem_addr_cells; in overlaps_reserved_region()
135 if (regions.reserved_mem_size_cells == 2) in overlaps_reserved_region()
[all …]
|
| /linux/mm/damon/tests/ |
| H A D | vaddr-kunit.h | 69 struct damon_addr_range regions[3] = {0}; in damon_test_three_regions_in_vmas() local
84 __damon_va_three_regions(&mm, regions); in damon_test_three_regions_in_vmas()
86 KUNIT_EXPECT_EQ(test, 10ul, regions[0].start); in damon_test_three_regions_in_vmas()
87 KUNIT_EXPECT_EQ(test, 25ul, regions[0].end); in damon_test_three_regions_in_vmas()
88 KUNIT_EXPECT_EQ(test, 200ul, regions[1].start); in damon_test_three_regions_in_vmas()
89 KUNIT_EXPECT_EQ(test, 220ul, regions[1].end); in damon_test_three_regions_in_vmas()
90 KUNIT_EXPECT_EQ(test, 300ul, regions[2].start); in damon_test_three_regions_in_vmas()
91 KUNIT_EXPECT_EQ(test, 330ul, regions[2].end); in damon_test_three_regions_in_vmas()
130 unsigned long *regions, int nr_regions, in damon_do_test_apply_three_regions() argument
142 r = damon_new_region(regions[i * 2], regions[i * 2 + 1]); in damon_do_test_apply_three_regions()
[all …]
|
| /linux/drivers/gpu/drm/nouveau/nvkm/nvfw/ |
| H A D | acr.c | 130 hdr->regions.no_regions); in flcn_acr_desc_dump()
132 for (i = 0; i < ARRAY_SIZE(hdr->regions.region_props); i++) { in flcn_acr_desc_dump()
135 hdr->regions.region_props[i].start_addr); in flcn_acr_desc_dump()
137 hdr->regions.region_props[i].end_addr); in flcn_acr_desc_dump()
139 hdr->regions.region_props[i].region_id); in flcn_acr_desc_dump()
141 hdr->regions.region_props[i].read_mask); in flcn_acr_desc_dump()
143 hdr->regions.region_props[i].write_mask); in flcn_acr_desc_dump()
145 hdr->regions.region_props[i].client_mask); in flcn_acr_desc_dump()
173 hdr->regions.no_regions); in flcn_acr_desc_v1_dump()
175 for (i = 0; i < ARRAY_SIZE(hdr->regions.region_props); i++) { in flcn_acr_desc_v1_dump()
[all …]
|
| /linux/drivers/vfio/platform/ |
| H A D | vfio_platform_common.c | 144 vdev->regions = kcalloc(cnt, sizeof(struct vfio_platform_region), in vfio_platform_regions_init()
146 if (!vdev->regions) in vfio_platform_regions_init()
153 vdev->regions[i].addr = res->start; in vfio_platform_regions_init()
154 vdev->regions[i].size = resource_size(res); in vfio_platform_regions_init()
155 vdev->regions[i].flags = 0; in vfio_platform_regions_init()
159 vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_MMIO; in vfio_platform_regions_init()
160 vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ; in vfio_platform_regions_init()
162 vdev->regions[i].flags |= in vfio_platform_regions_init()
169 if (!(vdev->regions[i].addr & ~PAGE_MASK) && in vfio_platform_regions_init()
170 !(vdev->regions[i].size & ~PAGE_MASK)) in vfio_platform_regions_init()
[all …]
|
| /linux/tools/testing/memblock/tests/ |
| H A D | alloc_exact_nid_api.c | 30 struct memblock_region *new_rgn = &memblock.reserved.regions[0]; in alloc_exact_nid_top_down_numa_simple_check()
31 struct memblock_region *req_node = &memblock.memory.regions[nid_req]; in alloc_exact_nid_top_down_numa_simple_check()
82 struct memblock_region *new_rgn = &memblock.reserved.regions[1]; in alloc_exact_nid_top_down_numa_part_reserved_check()
83 struct memblock_region *req_node = &memblock.memory.regions[nid_req]; in alloc_exact_nid_top_down_numa_part_reserved_check()
143 struct memblock_region *new_rgn = &memblock.reserved.regions[0]; in alloc_exact_nid_top_down_numa_split_range_low_check()
144 struct memblock_region *req_node = &memblock.memory.regions[nid_req]; in alloc_exact_nid_top_down_numa_split_range_low_check()
200 struct memblock_region *new_rgn = &memblock.reserved.regions[0]; in alloc_exact_nid_top_down_numa_no_overlap_split_check()
201 struct memblock_region *req_node = &memblock.memory.regions[nid_req]; in alloc_exact_nid_top_down_numa_no_overlap_split_check()
202 struct memblock_region *node2 = &memblock.memory.regions[6]; in alloc_exact_nid_top_down_numa_no_overlap_split_check()
258 struct memblock_region *new_rgn = &memblock.reserved.regions[0]; in alloc_exact_nid_top_down_numa_no_overlap_low_check()
[all …]
|
| H A D | alloc_nid_api.c | 66 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_top_down_simple_check()
118 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_top_down_end_misaligned_check()
169 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_exact_address_generic_check()
221 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_top_down_narrow_range_check()
311 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_min_reserved_generic_check()
363 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_max_reserved_generic_check()
416 struct memblock_region *rgn1 = &memblock.reserved.regions[1]; in alloc_nid_top_down_reserved_with_space_check()
417 struct memblock_region *rgn2 = &memblock.reserved.regions[0]; in alloc_nid_top_down_reserved_with_space_check()
481 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_nid_reserved_full_merge_generic_check()
543 struct memblock_region *rgn1 = &memblock.reserved.regions[1]; in alloc_nid_top_down_reserved_no_space_check()
[all …]
|
| H A D | basic_api.c | 17 ASSERT_NE(memblock.memory.regions, NULL); in memblock_initialization_check()
22 ASSERT_NE(memblock.reserved.regions, NULL); in memblock_initialization_check()
45 rgn = &memblock.memory.regions[0]; in memblock_add_simple_check()
78 rgn = &memblock.memory.regions[0]; in memblock_add_node_simple_check()
121 rgn1 = &memblock.memory.regions[0]; in memblock_add_disjoint_check()
122 rgn2 = &memblock.memory.regions[1]; in memblock_add_disjoint_check()
175 rgn = &memblock.memory.regions[0]; in memblock_add_overlap_top_check()
227 rgn = &memblock.memory.regions[0]; in memblock_add_overlap_bottom_check()
276 rgn = &memblock.memory.regions[0]; in memblock_add_within_check()
347 rgn = &memblock.memory.regions[0]; in memblock_add_between_check()
[all …]
|
| H A D | alloc_api.c | 26 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_top_down_simple_check()
73 struct memblock_region *rgn1 = &memblock.reserved.regions[1]; in alloc_top_down_disjoint_check()
74 struct memblock_region *rgn2 = &memblock.reserved.regions[0]; in alloc_top_down_disjoint_check()
125 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_top_down_before_check()
168 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_top_down_after_check()
217 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_top_down_second_fit_check()
266 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_in_between_generic_check()
416 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_limited_space_generic_check()
450 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_no_memory_generic_check()
484 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_too_large_generic_check()
[all …]
|
| H A D | alloc_helpers_api.c | 20 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_simple_generic_check()
63 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_misaligned_generic_check()
110 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_top_down_high_addr_check()
153 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_top_down_no_space_above_check()
190 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_top_down_min_addr_cap_check()
236 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_bottom_up_high_addr_check()
278 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_bottom_up_no_space_above_check()
314 struct memblock_region *rgn = &memblock.reserved.regions[0]; in alloc_from_bottom_up_min_addr_cap_check()
|
| /linux/drivers/vfio/cdx/ |
| H A D | main.c | 19 vdev->regions = kcalloc(count, sizeof(struct vfio_cdx_region), in vfio_cdx_open_device()
21 if (!vdev->regions) in vfio_cdx_open_device()
27 vdev->regions[i].addr = res->start; in vfio_cdx_open_device()
28 vdev->regions[i].size = resource_size(res); in vfio_cdx_open_device()
29 vdev->regions[i].type = res->flags; in vfio_cdx_open_device()
34 if (!(vdev->regions[i].addr & ~PAGE_MASK) && in vfio_cdx_open_device()
35 !(vdev->regions[i].size & ~PAGE_MASK)) in vfio_cdx_open_device()
36 vdev->regions[i].flags |= in vfio_cdx_open_device()
38 vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ; in vfio_cdx_open_device()
40 vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_WRITE; in vfio_cdx_open_device()
[all …]
|
| /linux/drivers/vfio/fsl-mc/ |
| H A D | vfio_fsl_mc.c | 30 vdev->regions = kcalloc(count, sizeof(struct vfio_fsl_mc_region), in vfio_fsl_mc_open_device()
32 if (!vdev->regions) in vfio_fsl_mc_open_device()
36 struct resource *res = &mc_dev->regions[i]; in vfio_fsl_mc_open_device()
39 vdev->regions[i].addr = res->start; in vfio_fsl_mc_open_device()
40 vdev->regions[i].size = resource_size(res); in vfio_fsl_mc_open_device()
41 vdev->regions[i].type = mc_dev->regions[i].flags & IORESOURCE_BITS; in vfio_fsl_mc_open_device()
46 if (!no_mmap && !(vdev->regions[i].addr & ~PAGE_MASK) && in vfio_fsl_mc_open_device()
47 !(vdev->regions[i].size & ~PAGE_MASK)) in vfio_fsl_mc_open_device()
48 vdev->regions[i].flags |= in vfio_fsl_mc_open_device()
50 vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ; in vfio_fsl_mc_open_device()
[all …]
|
| /linux/mm/ |
| H A D | memblock.c | 129 .memory.regions = memblock_memory_init_regions,
133 .reserved.regions = memblock_reserved_init_regions,
143 .regions = memblock_physmem_init_regions,
158 for (i = 0, rgn = &memblock_type->regions[0]; \
160 i++, rgn = &memblock_type->regions[i])
212 if (memblock_addrs_overlap(base, size, type->regions[i].base, in memblock_overlaps_region()
213 type->regions[i].size)) in memblock_overlaps_region()
365 type->total_size -= type->regions[r].size; in memblock_remove_region()
366 memmove(&type->regions[r], &type->regions[r + 1], in memblock_remove_region()
367 (type->cnt - (r + 1)) * sizeof(type->regions[r])); in memblock_remove_region()
[all …]
|
| /linux/tools/testing/selftests/damon/ |
| H A D | access_memory_even.c | 15 char **regions; in main() local
28 regions = malloc(sizeof(*regions) * nr_regions); in main()
30 regions[i] = malloc(sz_region); in main()
35 memset(regions[i], i, sz_region); in main()
|
| H A D | access_memory.c | 13 char **regions; in main() local
30 regions = malloc(sizeof(*regions) * nr_regions); in main()
32 regions[i] = malloc(sz_region); in main()
38 memset(regions[i], i, sz_region); in main()
|
| /linux/drivers/virt/nitro_enclaves/ |
| H A D | ne_misc_dev_test.c | 117 phys_contig_mem_regions.regions = kunit_kcalloc(test, MAX_PHYS_REGIONS, in ne_misc_dev_test_merge_phys_contig_memory_regions()
118 sizeof(*phys_contig_mem_regions.regions), in ne_misc_dev_test_merge_phys_contig_memory_regions()
120 KUNIT_ASSERT_TRUE(test, phys_contig_mem_regions.regions); in ne_misc_dev_test_merge_phys_contig_memory_regions()
135 KUNIT_EXPECT_EQ(test, phys_contig_mem_regions.regions[num - 1].start, in ne_misc_dev_test_merge_phys_contig_memory_regions()
137 KUNIT_EXPECT_EQ(test, range_len(&phys_contig_mem_regions.regions[num - 1]), in ne_misc_dev_test_merge_phys_contig_memory_regions()
141 kunit_kfree(test, phys_contig_mem_regions.regions); in ne_misc_dev_test_merge_phys_contig_memory_regions()
|
| /linux/drivers/net/dsa/sja1105/ |
| H A D | sja1105_devlink.c | 85 priv->regions = kcalloc(num_regions, sizeof(struct devlink_region *), in sja1105_setup_devlink_regions()
87 if (!priv->regions) in sja1105_setup_devlink_regions()
97 dsa_devlink_region_destroy(priv->regions[i]); in sja1105_setup_devlink_regions()
99 kfree(priv->regions); in sja1105_setup_devlink_regions()
103 priv->regions[i] = region; in sja1105_setup_devlink_regions()
115 dsa_devlink_region_destroy(priv->regions[i]); in sja1105_teardown_devlink_regions()
117 kfree(priv->regions); in sja1105_teardown_devlink_regions()
|
| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | dm-clone.rst | 58 3. A small metadata device - it records which regions are already valid in the
59 destination device, i.e., which regions have already been hydrated, or have
68 dm-clone divides the source and destination devices in fixed sized regions.
77 Reads and writes from/to hydrated regions are serviced from the destination
93 as a hint to skip hydration of the regions covered by the request, i.e., it
111 A message `hydration_threshold <#regions>` can be used to set the maximum number
112 of regions being copied, the default being 1 region.
116 region size. A message `hydration_batch_size <#regions>` can be used to tune the
118 dm-clone trying to batch together contiguous regions, so we copy the data in
119 batches of this many regions.
[all …]
|
| /linux/drivers/soc/qcom/ |
| H A D | smem.c | 288 struct smem_region regions[] __counted_by(num_regions);
472 header = smem->regions[0].virt_base; in qcom_smem_alloc_global()
561 header = smem->regions[0].virt_base; in qcom_smem_get_global()
569 region = &smem->regions[i]; in qcom_smem_get_global()
750 header = __smem->regions[0].virt_base; in qcom_smem_get_free_space()
753 if (ret > __smem->regions[0].size) in qcom_smem_get_free_space()
799 area = &__smem->regions[i]; in qcom_smem_virt_to_phys()
872 header = smem->regions[0].virt_base; in qcom_smem_get_sbl_version()
925 phys_addr = smem->regions[0].aux_base + le32_to_cpu(entry->offset); in qcom_smem_partition_header()
1007 smem->global_partition.phys_base = smem->regions[0].aux_base + in qcom_smem_set_global_partition()
[all …]
|
| /linux/Documentation/core-api/kho/ |
| H A D | concepts.rst | 9 regions, which could contain serialized system states, across kexec.
17 that describes preserved memory regions. These regions contain either
20 memory regions from KHO FDT.
38 We guarantee that we always have such regions through the scratch regions: On
39 first boot KHO allocates several physically contiguous memory regions. Since
40 after kexec these regions will be used by early memory allocations, there is a
45 used to explicitly define size of the scratch regions.
46 The scratch regions are declared as CMA when page allocator is initialized so
|
| /linux/Documentation/admin-guide/mm/damon/ |
| H A D | lru_sort.rst | 31 DAMON_LRU_SORT finds hot pages (pages of memory regions that showing access
33 memory regions that showing no access for a time that longer than a
85 Access frequency threshold for hot memory regions identification in permil.
94 Time threshold for cold memory regions identification in microseconds.
179 Minimum number of monitoring regions.
181 The minimal number of monitoring regions of DAMON for the cold memory
190 Maximum number of monitoring regions.
192 The maximum number of monitoring regions of DAMON for the cold memory
247 Number of hot memory regions that tried to be LRU-sorted.
252 Total bytes of hot memory regions that tried to be LRU-sorted.
[all …]
|
| /linux/drivers/net/wireless/ath/ath10k/ |
| H A D | coredump.c | 1300 .regions = qca6174_hw10_mem_regions,
1309 .regions = qca6174_hw10_mem_regions,
1318 .regions = qca6174_hw10_mem_regions,
1327 .regions = qca6174_hw21_mem_regions,
1336 .regions = qca6174_hw30_mem_regions,
1345 .regions = qca6174_hw30_mem_regions,
1354 .regions = qca6174_hw30_sdio_mem_regions,
1363 .regions = qca6174_hw30_mem_regions,
1372 .regions = qca988x_hw20_mem_regions,
1381 .regions = qca9984_hw10_mem_regions,
[all …]
|
| /linux/drivers/gpu/drm/nouveau/nvkm/subdev/acr/ |
| H A D | gp102.c | 203 desc->regions.no_regions = 2; in gp102_acr_load_setup()
204 desc->regions.region_props[0].start_addr = acr->wpr_start >> 8; in gp102_acr_load_setup()
205 desc->regions.region_props[0].end_addr = acr->wpr_end >> 8; in gp102_acr_load_setup()
206 desc->regions.region_props[0].region_id = 1; in gp102_acr_load_setup()
207 desc->regions.region_props[0].read_mask = 0xf; in gp102_acr_load_setup()
208 desc->regions.region_props[0].write_mask = 0xc; in gp102_acr_load_setup()
209 desc->regions.region_props[0].client_mask = 0x2; in gp102_acr_load_setup()
210 desc->regions.region_props[0].shadow_mem_start_addr = acr->shadow_start >> 8; in gp102_acr_load_setup()
|
| /linux/Documentation/networking/devlink/ |
| H A D | devlink-region.rst | 7 ``devlink`` regions enable access to driver defined address regions using
10 Each device can create and register its own supported address regions. The
22 address regions that are otherwise inaccessible to the user.
54 # Show all of the exposed regions with region sizes:
81 As regions are likely very device or driver specific, no generic regions are
83 specific regions a driver supports.
|
| /linux/drivers/gpu/drm/i915/gem/selftests/ |
| H A D | i915_gem_dmabuf.c | 96 struct intel_memory_region *lmem = i915->mm.regions[INTEL_REGION_LMEM_0]; in igt_dmabuf_import_same_driver_lmem()
220 struct intel_memory_region **regions, in igt_dmabuf_import_same_driver() argument
234 regions, num_regions); in igt_dmabuf_import_same_driver()
278 if (obj->mm.region != i915->mm.regions[INTEL_REGION_SMEM]) { in igt_dmabuf_import_same_driver()
326 struct intel_memory_region *smem = i915->mm.regions[INTEL_REGION_SMEM]; in igt_dmabuf_import_same_driver_smem()
334 struct intel_memory_region *regions[2]; in igt_dmabuf_import_same_driver_lmem_smem() local
336 if (!i915->mm.regions[INTEL_REGION_LMEM_0]) in igt_dmabuf_import_same_driver_lmem_smem()
339 regions[0] = i915->mm.regions[INTEL_REGION_LMEM_0]; in igt_dmabuf_import_same_driver_lmem_smem()
340 regions[1] = i915->mm.regions[INTEL_REGION_SMEM]; in igt_dmabuf_import_same_driver_lmem_smem()
341 return igt_dmabuf_import_same_driver(i915, regions, 2); in igt_dmabuf_import_same_driver_lmem_smem()
|
| /linux/drivers/virt/acrn/ |
| H A D | mm.c | 21 struct vm_memory_region_batch *regions; in modify_region() local
24 regions = kzalloc(sizeof(*regions), GFP_KERNEL); in modify_region()
25 if (!regions) in modify_region()
28 regions->vmid = vm->vmid; in modify_region()
29 regions->regions_num = 1; in modify_region()
30 regions->regions_gpa = virt_to_phys(region); in modify_region()
32 ret = hcall_set_memory_regions(virt_to_phys(regions)); in modify_region()
37 kfree(regions); in modify_region()
|