| /linux-6.15/mm/ |
| D | migrate_device.c | 9 #include <linux/migrate.h>
24 struct migrate_vma *migrate = walk->private; in migrate_vma_collect_skip() local
28 migrate->dst[migrate->npages] = 0; in migrate_vma_collect_skip()
29 migrate->src[migrate->npages++] = 0; in migrate_vma_collect_skip()
40 struct migrate_vma *migrate = walk->private; in migrate_vma_collect_hole() local
48 migrate->src[migrate->npages] = MIGRATE_PFN_MIGRATE; in migrate_vma_collect_hole()
49 migrate->dst[migrate->npages] = 0; in migrate_vma_collect_hole()
50 migrate->npages++; in migrate_vma_collect_hole()
51 migrate->cpages++; in migrate_vma_collect_hole()
62 struct migrate_vma *migrate = walk->private; in migrate_vma_collect_pmd() local
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| D | migrate.c | 3 * Memory Migration functionality - linux/mm/migrate.c
16 #include <linux/migrate.h>
50 #include <trace/events/migrate.h>
695 * For memory tiering mode, when migrate between slow and fast in folio_migrate_flags()
776 * @dst: The folio to migrate the data to.
778 * @mode: How to migrate the page.
780 * Common logic to directly migrate a single LRU folio suitable for
901 * @dst: The folio to migrate to.
902 * @src: The folio to migrate from.
903 * @mode: How to migrate the folio.
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| D | page_isolation.c | 12 #include <linux/migrate.h>
168 * We assume the caller intended to SET migrate type to isolate. in set_migratetype_isolate()
299 * @migratetype: migrate type to set in error recovery.
395 * to migrate it out of the way. in isolate_single_pageblock()
444 * @migratetype: Migrate type to set in error recovery.
455 * future will not be allocated again. If specified range includes migrate types
532 * @migratetype: New migrate type to set on the range
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| /linux-6.15/drivers/gpu/drm/i915/gt/ |
| D | selftest_migrate.c | 36 static int copy(struct intel_migrate *migrate, in copy() argument
37 int (*fn)(struct intel_migrate *migrate, in copy() argument
44 struct drm_i915_private *i915 = migrate->context->engine->i915; in copy()
90 err = fn(migrate, &ww, src, dst, &rq); in copy()
151 GEM_BUG_ON(ce->vm != ce->engine->gt->migrate.context->vm); in intel_context_copy_ccs()
255 static int clear(struct intel_migrate *migrate, in clear() argument
256 int (*fn)(struct intel_migrate *migrate, in clear() argument
263 struct drm_i915_private *i915 = migrate->context->engine->i915; in clear()
301 err = intel_migrate_ccs_copy(migrate, &ww, NULL, in clear()
318 err = fn(migrate, &ww, obj, val, &rq); in clear()
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| /linux-6.15/drivers/gpu/drm/amd/amdkfd/ |
| D | kfd_migrate.c | 27 #include <linux/migrate.h>
181 * @mfence: migrate fence
263 static unsigned long svm_migrate_unsuccessful_pages(struct migrate_vma *migrate) in svm_migrate_unsuccessful_pages() argument
268 for (i = 0; i < migrate->npages; i++) { in svm_migrate_unsuccessful_pages()
269 if (migrate->src[i] & MIGRATE_PFN_VALID && in svm_migrate_unsuccessful_pages()
270 !(migrate->src[i] & MIGRATE_PFN_MIGRATE)) in svm_migrate_unsuccessful_pages()
278 struct migrate_vma *migrate, struct dma_fence **mfence, in svm_migrate_copy_to_vram() argument
281 uint64_t npages = migrate->npages; in svm_migrate_copy_to_vram()
299 for (i = j = 0; (i < npages) && (mpages < migrate->cpages); i++) { in svm_migrate_copy_to_vram()
302 if (migrate->src[i] & MIGRATE_PFN_MIGRATE) { in svm_migrate_copy_to_vram()
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| /linux-6.15/drivers/gpu/drm/ |
| D | drm_gpusvm.c | 12 #include <linux/migrate.h>
56 * Embedded structure containing enough information for GPU SVM to migrate
74 * optionally migrate the range to device memory, and create GPU bindings.
139 * has device memory as its backing, the driver is also expected to migrate any
231 * // Partial unmap, migrate any remaining device memory pages back to RAM
786 * @migrate_devmem: Flag indicating whether to migrate device memory
948 * drm_gpusvm_migrate_to_devmem with 'migrate.cpages != npages' in drm_gpusvm_range_chunk_size()
1562 * @migrate_pfn: Array of migrate page frame numbers
1602 * @migrate_pfn: Array of migrate page frame numbers to map
1665 * drm_gpusvm_migrate_to_devmem() - Migrate GPU SVM range to device memory
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| /linux-6.15/drivers/gpu/drm/xe/ |
| D | xe_migrate_doc.h | 10 * DOC: Migrate Layer
12 * The XE migrate layer is used generate jobs which can copy memory (eviction),
14 * a migrate engine, and uses a special VM for all generated jobs.
35 * A bind job consist of two batches and runs either on the migrate engine
37 * VM of the engine is the migrate VM.
60 * A copy or clear job consist of two batches and runs on the migrate engine.
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| D | xe_migrate.c | 39 * struct xe_migrate - migrate context.
88 * xe_tile_migrate_exec_queue() - Get this tile's migrate exec queue.
91 * Returns the default migrate exec queue of this tile.
93 * Return: The default migrate exec queue
97 return tile->migrate->q; in xe_tile_migrate_exec_queue()
128 * migrate offset in xe_migrate_vram_ofs()
366 * migrate jobs servicing the faults gets stuck behind the job that faulted.
391 * xe_migrate_init() - Initialize a migrate context
394 * Return: Pointer to a migrate context on success. Error pointer on error.
471 drm_dbg(&xe->drm, "Migrate min chunk size is 0x%08llx\n", in xe_migrate_init()
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| /linux-6.15/net/xfrm/ |
| D | Kconfig | 62 bool "Transformation migrate database"
123 bool "PF_KEY MIGRATE"
127 Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
128 The PF_KEY MIGRATE message is used to dynamically update
134 <draft-sugimoto-mip6-pfkey-migrate>.
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| /linux-6.15/tools/testing/selftests/mm/ |
| D | migration.c | 63 int migrate(uint64_t *ptr, int n1, int n2) in migrate() function
87 printf("Didn't migrate %d pages\n", ret); in migrate()
90 perror("Couldn't migrate pages"); in migrate()
140 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
175 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
202 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
241 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
266 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
301 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
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| D | hmm-tests.c | 956 * Migrate anonymous memory to device private memory.
958 TEST_F(hmm, migrate) in TEST_F() argument
989 /* Migrate memory to device. */ in TEST_F()
1002 * Migrate anonymous memory to device private memory and fault some of it back
1037 /* Migrate memory to device. */ in TEST_F()
1050 /* Migrate memory to the device again. */ in TEST_F()
1091 /* Migrate memory to device. */ in TEST_F()
1112 * Migrate anonymous shared memory to device private memory.
1139 /* Migrate memory to device. */ in TEST_F()
1147 * Try to migrate various memory types to device private memory.
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| /linux-6.15/drivers/gpu/drm/nouveau/ |
| D | nouveau_dmem.c | 42 #include <linux/migrate.h>
82 struct nouveau_dmem_migrate migrate; member
153 if (drm->dmem->migrate.copy_func(drm, 1, NOUVEAU_APER_HOST, *dma_addr, in nouveau_dmem_copy_one()
184 * FIXME what we really want is to find some heuristic to migrate more in nouveau_dmem_migrate_to_ram()
213 nouveau_fence_new(&fence, dmem->migrate.chan); in nouveau_dmem_migrate_to_ram()
406 nouveau_fence_new(&fence, chunk->drm->dmem->migrate.chan); in nouveau_dmem_evict_chunk()
447 struct nvif_push *push = &drm->dmem->migrate.chan->chan.push; in nvc0b5_migrate_copy()
520 struct nvif_push *push = &drm->dmem->migrate.chan->chan.push; in nvc0b5_migrate_clear()
580 drm->dmem->migrate.copy_func = nvc0b5_migrate_copy; in nouveau_dmem_migrate_init()
581 drm->dmem->migrate.clear_func = nvc0b5_migrate_clear; in nouveau_dmem_migrate_init()
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| /linux-6.15/tools/testing/selftests/bpf/prog_tests/ |
| D | migrate_reuseport.c | 3 * Check if we can migrate child sockets.
8 * 4. update a map to migrate all child sockets
11 * and migrate the requests in the accept queue
15 * and migrate the requests in the accept queue
19 * and migrate the requests in the accept queue
355 /* Migrate TCP_ESTABLISHED and TCP_SYN_RECV requests in migrate_dance()
364 /* No dance for TCP_NEW_SYN_RECV to migrate based on eBPF */ in migrate_dance()
385 /* Migrate from the last listener to the second one. in migrate_dance()
399 /* Migrate back to the last one from the second one */ in migrate_dance()
504 /* Migrate the requests in the accept queue only. in run_test()
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| /linux-6.15/tools/testing/selftests/net/tcp_ao/ |
| D | restore.c | 94 try_server_run("TCP-AO migrate to another socket (server)", port++, in server_fn()
128 test_fail("pre-migrate verify failed"); in test_get_sk_checkpoint()
169 test_ok("%s: post-migrate connection is broken", tst_name); in test_sk_restore()
171 test_fail("%s: post-migrate connection is working", tst_name); in test_sk_restore()
174 test_fail("%s: post-migrate connection is working", tst_name); in test_sk_restore()
176 test_ok("%s: post-migrate connection is alive", tst_name); in test_sk_restore()
205 test_sk_restore("TCP-AO migrate to another socket (client)", port++, in client_fn()
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| /linux-6.15/include/linux/ |
| D | migrate.h | 40 * If the driver cannot migrate the page at the moment, it can return
152 return -EAGAIN; /* can't migrate now */ in migrate_misplaced_folio_prepare()
156 return -EAGAIN; /* can't migrate now */ in migrate_misplaced_folio()
219 * Set to vmf->page if this is being called to migrate a page as part of
226 void migrate_vma_pages(struct migrate_vma *migrate);
227 void migrate_vma_finalize(struct migrate_vma *migrate);
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| D | psci.h | 29 int (*migrate)(unsigned long cpuid); member
41 u32 migrate; member
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| /linux-6.15/arch/um/drivers/ |
| D | Kconfig | 168 migrate to UML_NET_VECTOR.
185 migrate to UML_NET_VECTOR.
206 migrate to UML_NET_VECTOR.
227 migrate to UML_NET_VECTOR.
273 migrate to UML_NET_VECTOR.
296 migrate to UML_NET_VECTOR.
322 migrate to UML_NET_VECTOR.
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| /linux-6.15/drivers/gpu/drm/i915/gem/ |
| D | i915_gem_object.c | 669 * @obj: The object to migrate
670 * @id: The region intended to migrate to
673 * given region. Note that pinning may affect the ability to migrate as
677 * possibility to migrate objects and might be slightly less permissive
707 if (!obj->ops->migrate) in i915_gem_object_can_migrate()
725 * i915_gem_object_migrate - Migrate an object to the desired region id
726 * @obj: The object to migrate.
729 * @id: The region id to migrate to.
731 * Attempt to migrate the object to the desired memory region. The
757 * __i915_gem_object_migrate - Migrate an object to the desired region id, with
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| /linux-6.15/include/uapi/linux/ |
| D | mempolicy.h | 52 #define MPOL_MF_LAZY (1<<3) /* UNSUPPORTED FLAG: Lazy migrate on fault */
65 #define MPOL_F_MOF (1 << 3) /* this policy wants migrate on fault */
66 #define MPOL_F_MORON (1 << 4) /* Migrate On protnone Reference On Node */
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| /linux-6.15/Documentation/gpu/rfc/ |
| D | gpusvm.rst | 21 migrate can actually migrate, with only the faulting page guaranteed
22 to migrate).
104 migrate device layer are a performance bottleneck, having compound
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| /linux-6.15/Documentation/gpu/xe/ |
| D | xe_migrate.rst | 4 Migrate Layer
8 :doc: Migrate Layer
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| /linux-6.15/drivers/firmware/psci/ |
| D | psci.c | 46 * calls to its resident CPU, so we must avoid issuing those. We never migrate
245 return __psci_migrate(psci_0_1_function_ids.migrate, cpuid); in psci_0_1_migrate()
250 return __psci_migrate(PSCI_FN_NATIVE(0_2, MIGRATE), cpuid); in psci_0_2_migrate()
385 PSCI_ID_NATIVE(0_2, MIGRATE),
667 .migrate = psci_0_2_migrate, in psci_0_2_set_functions()
765 if (!of_property_read_u32(np, "migrate", &id)) { in psci_0_1_init()
766 psci_0_1_function_ids.migrate = id; in psci_0_1_init()
767 psci_ops.migrate = psci_0_1_migrate; in psci_0_1_init()
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| /linux-6.15/tools/testing/selftests/kvm/x86/ |
| D | xapic_ipi_test.c | 307 * migrate_pages with PID=0 will migrate all pages of this in do_migrations()
360 bool *migrate, int *delay_usecs) in get_cmdline_args() argument
372 *migrate = true; in get_cmdline_args()
398 bool migrate = false; in main() local
404 get_cmdline_args(argc, argv, &run_secs, &migrate, &delay_usecs); in main()
458 if (!migrate) in main()
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| /linux-6.15/fs/ocfs2/dlm/ |
| D | dlmmaster.c | 824 * of the MIGRATION mle: either the migrate finished or in dlm_get_lock_resource()
1510 mlog(0, "node %u is master, but trying to migrate to " in dlm_master_request_handler()
1514 "node is trying to migrate it to %u?!\n", in dlm_master_request_handler()
2605 mlog(ML_ERROR, "tried to migrate %.*s to %u, but " in dlm_migrate_lockres()
2777 /* Wheee! Migrate lockres here! Will sleep so drop spinlock. */ in dlm_empty_lockres()
2782 mlog(0, "%s: res %.*s, Migrate to node %u failed with %d\n", in dlm_empty_lockres()
2972 * Pick a node to migrate the lock resource to. This function selects a
3027 struct dlm_migrate_request migrate; in dlm_do_migrate_request() local
3031 memset(&migrate, 0, sizeof(migrate)); in dlm_do_migrate_request()
3032 migrate.namelen = res->lockname.len; in dlm_do_migrate_request()
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| /linux-6.15/Documentation/devicetree/bindings/arm/ |
| D | psci.yaml | 85 migrate:
87 description: Function ID for MIGRATE operation
154 migrate = <0x95c10003>;
|