| /linux-6.14.4/include/linux/ |
| D | pagemap.h | 21 unsigned long invalidate_mapping_pages(struct address_space *mapping,
30 int invalidate_inode_pages2(struct address_space *mapping);
31 int invalidate_inode_pages2_range(struct address_space *mapping,
35 int filemap_invalidate_pages(struct address_space *mapping,
41 int filemap_fdatawait_keep_errors(struct address_space *mapping);
43 int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
48 static inline int filemap_fdatawait(struct address_space *mapping) in filemap_fdatawait() argument
50 return filemap_fdatawait_range(mapping, 0, LLONG_MAX); in filemap_fdatawait()
54 int filemap_write_and_wait_range(struct address_space *mapping,
56 int __filemap_fdatawrite_range(struct address_space *mapping,
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| D | io-mapping.h | 17 * The io_mapping mechanism provides an abstraction for mapping
20 * See Documentation/driver-api/io-mapping.rst
35 * For small address space machines, mapping large objects
58 io_mapping_fini(struct io_mapping *mapping) in io_mapping_fini() argument
60 iomap_free(mapping->base, mapping->size); in io_mapping_fini()
65 io_mapping_map_atomic_wc(struct io_mapping *mapping, in io_mapping_map_atomic_wc() argument
70 BUG_ON(offset >= mapping->size); in io_mapping_map_atomic_wc()
71 phys_addr = mapping->base + offset; in io_mapping_map_atomic_wc()
77 return __iomap_local_pfn_prot(PHYS_PFN(phys_addr), mapping->prot); in io_mapping_map_atomic_wc()
92 io_mapping_map_local_wc(struct io_mapping *mapping, unsigned long offset) in io_mapping_map_local_wc() argument
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| D | tpm_eventlog.h | 166 void *mapping = NULL; in __calc_tpm2_event_size() local
186 mapping = TPM_MEMREMAP((unsigned long)marker_start, in __calc_tpm2_event_size()
188 if (!mapping) { in __calc_tpm2_event_size()
193 mapping = marker_start; in __calc_tpm2_event_size()
196 event = (struct tcg_pcr_event2_head *)mapping; in __calc_tpm2_event_size()
233 TPM_MEMUNMAP(mapping, mapping_size); in __calc_tpm2_event_size()
235 mapping = TPM_MEMREMAP((unsigned long)marker, in __calc_tpm2_event_size()
237 if (!mapping) { in __calc_tpm2_event_size()
242 mapping = marker; in __calc_tpm2_event_size()
245 memcpy(&halg, mapping, halg_size); in __calc_tpm2_event_size()
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| /linux-6.14.4/mm/ |
| D | truncate.c | 26 static void clear_shadow_entries(struct address_space *mapping, in clear_shadow_entries() argument
29 XA_STATE(xas, &mapping->i_pages, start); in clear_shadow_entries()
33 if (shmem_mapping(mapping) || dax_mapping(mapping)) in clear_shadow_entries()
38 spin_lock(&mapping->host->i_lock); in clear_shadow_entries()
48 if (mapping_shrinkable(mapping)) in clear_shadow_entries()
49 inode_add_lru(mapping->host); in clear_shadow_entries()
50 spin_unlock(&mapping->host->i_lock); in clear_shadow_entries()
60 static void truncate_folio_batch_exceptionals(struct address_space *mapping, in truncate_folio_batch_exceptionals() argument
63 XA_STATE(xas, &mapping->i_pages, indices[0]); in truncate_folio_batch_exceptionals()
69 if (shmem_mapping(mapping)) in truncate_folio_batch_exceptionals()
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| D | filemap.c | 127 static void page_cache_delete(struct address_space *mapping, in page_cache_delete() argument
130 XA_STATE(xas, &mapping->i_pages, folio->index); in page_cache_delete()
133 mapping_set_update(&xas, mapping); in page_cache_delete()
143 folio->mapping = NULL; in page_cache_delete()
145 mapping->nrpages -= nr; in page_cache_delete()
148 static void filemap_unaccount_folio(struct address_space *mapping, in filemap_unaccount_folio() argument
161 if (mapping_exiting(mapping) && !folio_test_large(folio)) { in filemap_unaccount_folio()
190 filemap_nr_thps_dec(mapping); in filemap_unaccount_folio()
208 mapping_can_writeback(mapping))) in filemap_unaccount_folio()
209 folio_account_cleaned(folio, inode_to_wb(mapping->host)); in filemap_unaccount_folio()
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| D | readahead.c | 139 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping) in file_ra_state_init() argument
141 ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages; in file_ra_state_init()
148 const struct address_space_operations *aops = rac->mapping->a_ops; in read_pages()
210 struct address_space *mapping = ractl->mapping; in page_cache_ra_unbounded() local
212 gfp_t gfp_mask = readahead_gfp_mask(mapping); in page_cache_ra_unbounded()
214 unsigned int min_nrpages = mapping_min_folio_nrpages(mapping); in page_cache_ra_unbounded()
223 * filesystems already specify __GFP_NOFS in their mapping's in page_cache_ra_unbounded()
228 filemap_invalidate_lock_shared(mapping); in page_cache_ra_unbounded()
229 index = mapping_align_index(mapping, index); in page_cache_ra_unbounded()
252 struct folio *folio = xa_load(&mapping->i_pages, index + i); in page_cache_ra_unbounded()
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| /linux-6.14.4/drivers/gpu/drm/panfrost/ |
| D | panfrost_gem.c | 7 #include <linux/dma-mapping.h>
59 struct panfrost_gem_mapping *iter, *mapping = NULL; in panfrost_gem_mapping_get() local
65 mapping = iter; in panfrost_gem_mapping_get()
71 return mapping; in panfrost_gem_mapping_get()
75 panfrost_gem_teardown_mapping(struct panfrost_gem_mapping *mapping) in panfrost_gem_teardown_mapping() argument
77 if (mapping->active) in panfrost_gem_teardown_mapping()
78 panfrost_mmu_unmap(mapping); in panfrost_gem_teardown_mapping()
80 spin_lock(&mapping->mmu->mm_lock); in panfrost_gem_teardown_mapping()
81 if (drm_mm_node_allocated(&mapping->mmnode)) in panfrost_gem_teardown_mapping()
82 drm_mm_remove_node(&mapping->mmnode); in panfrost_gem_teardown_mapping()
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| /linux-6.14.4/arch/arm/mm/ |
| D | dma-mapping.c | 3 * linux/arch/arm/mm/dma-mapping.c
7 * DMA uncached mapping support.
290 * Clear previous low-memory mapping to ensure that the in dma_contiguous_remap()
603 * Free a buffer as defined by the above mapping.
677 * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
754 static int extend_iommu_mapping(struct dma_iommu_mapping *mapping);
756 static inline dma_addr_t __alloc_iova(struct dma_iommu_mapping *mapping, in __alloc_iova() argument
762 size_t mapping_size = mapping->bits << PAGE_SHIFT; in __alloc_iova()
773 spin_lock_irqsave(&mapping->lock, flags); in __alloc_iova()
774 for (i = 0; i < mapping->nr_bitmaps; i++) { in __alloc_iova()
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| D | flush.c | 199 void __flush_dcache_folio(struct address_space *mapping, struct folio *folio) in __flush_dcache_folio() argument
202 * Writeback any data associated with the kernel mapping of this in __flush_dcache_folio()
204 * coherent with the kernels mapping. in __flush_dcache_folio()
234 if (mapping && cache_is_vipt_aliasing()) in __flush_dcache_folio()
238 static void __flush_dcache_aliases(struct address_space *mapping, struct folio *folio) in __flush_dcache_aliases() argument
248 * - aliasing VIPT: we only need to find one mapping of this page. in __flush_dcache_aliases()
253 flush_dcache_mmap_lock(mapping); in __flush_dcache_aliases()
254 vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff_end) { in __flush_dcache_aliases()
281 flush_dcache_mmap_unlock(mapping); in __flush_dcache_aliases()
289 struct address_space *mapping; in __sync_icache_dcache() local
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| /linux-6.14.4/drivers/gpu/drm/tegra/ |
| D | uapi.c | 17 struct tegra_drm_mapping *mapping = in tegra_drm_mapping_release() local
20 host1x_bo_unpin(mapping->map); in tegra_drm_mapping_release()
21 host1x_bo_put(mapping->bo); in tegra_drm_mapping_release()
23 kfree(mapping); in tegra_drm_mapping_release()
26 void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping) in tegra_drm_mapping_put() argument
28 kref_put(&mapping->ref, tegra_drm_mapping_release); in tegra_drm_mapping_put()
33 struct tegra_drm_mapping *mapping; in tegra_drm_channel_context_close() local
39 xa_for_each(&context->mappings, id, mapping) in tegra_drm_channel_context_close()
40 tegra_drm_mapping_put(mapping); in tegra_drm_channel_context_close()
189 struct tegra_drm_mapping *mapping; in tegra_drm_ioctl_channel_map() local
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| /linux-6.14.4/include/trace/events/ |
| D | filemap.h | 32 __entry->i_ino = folio->mapping->host->i_ino;
34 if (folio->mapping->host->i_sb)
35 __entry->s_dev = folio->mapping->host->i_sb->s_dev;
37 __entry->s_dev = folio->mapping->host->i_rdev;
62 struct address_space *mapping,
67 TP_ARGS(mapping, index, last_index),
77 __entry->i_ino = mapping->host->i_ino;
78 if (mapping->host->i_sb)
80 mapping->host->i_sb->s_dev;
82 __entry->s_dev = mapping->host->i_rdev;
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| /linux-6.14.4/Documentation/admin-guide/mm/ |
| D | nommu-mmap.rst | 2 No-MMU memory mapping support
5 The kernel has limited support for memory mapping under no-MMU conditions, such
7 mapping is made use of in conjunction with the mmap() system call, the shmat()
9 mapping is actually performed by the binfmt drivers, which call back into the
12 Memory mapping behaviour also involves the way fork(), vfork(), clone() and
19 (#) Anonymous mapping, MAP_PRIVATE
27 (#) Anonymous mapping, MAP_SHARED
37 the underlying file are reflected in the mapping; copied across fork.
41 - If one exists, the kernel will re-use an existing mapping to the
45 - If possible, the file mapping will be directly on the backing device
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| /linux-6.14.4/drivers/gpu/drm/etnaviv/ |
| D | etnaviv_mmu.c | 6 #include <linux/dma-mapping.h>
53 /* unroll mapping in case something went wrong */ in etnaviv_context_map()
113 struct etnaviv_vram_mapping *mapping) in etnaviv_iommu_remove_mapping() argument
115 struct etnaviv_gem_object *etnaviv_obj = mapping->object; in etnaviv_iommu_remove_mapping()
119 etnaviv_iommu_unmap(context, mapping->vram_node.start, in etnaviv_iommu_remove_mapping()
121 drm_mm_remove_node(&mapping->vram_node); in etnaviv_iommu_remove_mapping()
124 void etnaviv_iommu_reap_mapping(struct etnaviv_vram_mapping *mapping) in etnaviv_iommu_reap_mapping() argument
126 struct etnaviv_iommu_context *context = mapping->context; in etnaviv_iommu_reap_mapping()
129 WARN_ON(mapping->use); in etnaviv_iommu_reap_mapping()
131 etnaviv_iommu_remove_mapping(context, mapping); in etnaviv_iommu_reap_mapping()
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| D | etnaviv_gem.c | 7 #include <linux/dma-mapping.h>
218 struct etnaviv_vram_mapping *mapping; in etnaviv_gem_get_vram_mapping() local
220 list_for_each_entry(mapping, &obj->vram_list, obj_node) { in etnaviv_gem_get_vram_mapping()
221 if (mapping->context == context) in etnaviv_gem_get_vram_mapping()
222 return mapping; in etnaviv_gem_get_vram_mapping()
228 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping) in etnaviv_gem_mapping_unreference() argument
230 struct etnaviv_gem_object *etnaviv_obj = mapping->object; in etnaviv_gem_mapping_unreference()
233 WARN_ON(mapping->use == 0); in etnaviv_gem_mapping_unreference()
234 mapping->use -= 1; in etnaviv_gem_mapping_unreference()
245 struct etnaviv_vram_mapping *mapping; in etnaviv_gem_mapping_get() local
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| /linux-6.14.4/drivers/media/usb/uvc/ |
| D | uvc_ctrl.c | 373 * device. The custom menu_mapping in the control @mapping is used when
384 static int uvc_mapping_get_menu_value(const struct uvc_control_mapping *mapping, in uvc_mapping_get_menu_value() argument
387 if (!test_bit(idx, &mapping->menu_mask)) in uvc_mapping_get_menu_value()
390 if (mapping->menu_mapping) in uvc_mapping_get_menu_value()
391 return mapping->menu_mapping[idx]; in uvc_mapping_get_menu_value()
397 uvc_mapping_get_menu_name(const struct uvc_control_mapping *mapping, u32 idx) in uvc_mapping_get_menu_name() argument
399 if (!test_bit(idx, &mapping->menu_mask)) in uvc_mapping_get_menu_name()
402 if (mapping->menu_names) in uvc_mapping_get_menu_name()
403 return mapping->menu_names[idx]; in uvc_mapping_get_menu_name()
405 return v4l2_ctrl_get_menu(mapping->id)[idx]; in uvc_mapping_get_menu_name()
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| /linux-6.14.4/Documentation/driver-api/ |
| D | io-mapping.rst | 8 The io_mapping functions in linux/io-mapping.h provide an abstraction for
9 efficiently mapping small regions of an I/O device to the CPU. The initial
14 A mapping object is created during driver initialization using::
20 mappable, while 'size' indicates how large a mapping region to
23 This _wc variant provides a mapping which may only be used with
27 With this mapping object, individual pages can be mapped either temporarily
31 void *io_mapping_map_local_wc(struct io_mapping *mapping,
34 void *io_mapping_map_atomic_wc(struct io_mapping *mapping,
37 'offset' is the offset within the defined mapping region. Accessing
46 Temporary mappings are only valid in the context of the caller. The mapping
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| /linux-6.14.4/drivers/gpu/drm/exynos/ |
| D | exynos_drm_dma.c | 34 * drm_iommu_attach_device- attach device to iommu mapping
40 * mapping.
57 * Keep the original DMA mapping of the sub-device and in drm_iommu_attach_device()
66 ret = arm_iommu_attach_device(subdrv_dev, priv->mapping); in drm_iommu_attach_device()
68 ret = iommu_attach_device(priv->mapping, subdrv_dev); in drm_iommu_attach_device()
75 * drm_iommu_detach_device -detach device address space mapping from device
81 * mapping
92 iommu_detach_device(priv->mapping, subdrv_dev); in drm_iommu_detach_device()
102 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n", in exynos_drm_register_dma()
109 if (!priv->mapping) { in exynos_drm_register_dma()
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| /linux-6.14.4/Documentation/filesystems/iomap/ |
| D | design.rst | 70 of mapping function calls into the filesystem across a larger amount of
78 1. Obtain a space mapping via ``->iomap_begin``
82 1. Revalidate the mapping and go back to (1) above, if necessary.
89 4. Release the mapping via ``->iomap_end``, if necessary
130 * **filesystem mapping lock**: This synchronization primitive is
131 internal to the filesystem and must protect the file mapping data
132 from updates while a mapping is being sampled.
138 mapping.
154 The filesystem communicates to the iomap iterator the mapping of
177 bytes, covered by this mapping.
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| /linux-6.14.4/tools/testing/selftests/arm64/mte/ |
| D | check_mmap_options.c | 60 static int check_anonymous_memory_mapping(int mem_type, int mode, int mapping, int tag_check) in check_anonymous_memory_mapping() argument
69 map_ptr = (char *)mte_allocate_memory(map_size, mem_type, mapping, false); in check_anonymous_memory_mapping()
91 static int check_file_memory_mapping(int mem_type, int mode, int mapping, int tag_check) in check_file_memory_mapping() argument
105 map_ptr = (char *)mte_allocate_file_memory(map_size, mem_type, mapping, false, fd); in check_file_memory_mapping()
130 static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping) in check_clear_prot_mte_flag() argument
140 ptr = (char *)mte_allocate_memory_tag_range(sizes[run], mem_type, mapping, in check_clear_prot_mte_flag()
161 ptr = (char *)mte_allocate_file_memory_tag_range(sizes[run], mem_type, mapping, in check_clear_prot_mte_flag()
213 "Check anonymous memory with private mapping, sync error mode, mmap memory and tag check off\n"); in main()
215 …"Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check off\n… in main()
219 "Check anonymous memory with private mapping, no error mode, mmap memory and tag check off\n"); in main()
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| D | check_child_memory.c | 84 static int check_child_memory_mapping(int mem_type, int mode, int mapping) in check_child_memory_mapping() argument
93 ptr = (char *)mte_allocate_memory_tag_range(sizes[run], mem_type, mapping, in check_child_memory_mapping()
106 static int check_child_file_mapping(int mem_type, int mode, int mapping) in check_child_file_mapping() argument
119 map_ptr = (char *)mte_allocate_file_memory(map_size, mem_type, mapping, false, fd); in check_child_file_mapping()
170 "Check child anonymous memory with private mapping, precise mode and mmap memory\n"); in main()
172 "Check child anonymous memory with shared mapping, precise mode and mmap memory\n"); in main()
174 "Check child anonymous memory with private mapping, imprecise mode and mmap memory\n"); in main()
176 "Check child anonymous memory with shared mapping, imprecise mode and mmap memory\n"); in main()
178 "Check child anonymous memory with private mapping, precise mode and mmap/mprotect memory\n"); in main()
180 "Check child anonymous memory with shared mapping, precise mode and mmap/mprotect memory\n"); in main()
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| /linux-6.14.4/tools/testing/selftests/mm/ |
| D | mremap_dontunmap.c | 59 "unable to unmap destination mapping"); in kernel_support_for_mremap_dontunmap()
63 "unable to unmap source mapping"); in kernel_support_for_mremap_dontunmap()
67 // This helper will just validate that an entire mapping contains the expected
94 // the source mapping mapped.
106 // Try to just move the whole mapping anywhere (not fixed). in mremap_dontunmap_simple()
122 "unable to unmap destination mapping"); in mremap_dontunmap_simple()
124 "unable to unmap source mapping"); in mremap_dontunmap_simple()
128 // This test validates that MREMAP_DONTUNMAP on a shared mapping works as expected.
148 // Try to just move the whole mapping anywhere (not fixed). in mremap_dontunmap_simple_shmem()
155 "unable to unmap source mapping"); in mremap_dontunmap_simple_shmem()
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| /linux-6.14.4/arch/arm64/kvm/ |
| D | pkvm.c | 288 struct pkvm_mapping *mapping; in find_first_mapping_node() local
291 mapping = rb_entry(node, struct pkvm_mapping, node); in find_first_mapping_node()
292 if (mapping->gfn == gfn) in find_first_mapping_node()
295 node = (gfn < mapping->gfn) ? node->rb_left : node->rb_right; in find_first_mapping_node()
333 struct pkvm_mapping *mapping; in pkvm_pgtable_stage2_destroy() local
341 mapping = rb_entry(node, struct pkvm_mapping, node); in pkvm_pgtable_stage2_destroy()
342 kvm_call_hyp_nvhe(__pkvm_host_unshare_guest, handle, mapping->gfn); in pkvm_pgtable_stage2_destroy()
344 rb_erase(&mapping->node, &pgt->pkvm_mappings); in pkvm_pgtable_stage2_destroy()
345 kfree(mapping); in pkvm_pgtable_stage2_destroy()
354 struct pkvm_mapping *mapping = NULL; in pkvm_pgtable_stage2_map() local
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| /linux-6.14.4/fs/gfs2/ |
| D | aops.c | 95 struct inode * const inode = folio->mapping->host; in gfs2_write_jdata_folio()
126 struct inode *inode = folio->mapping->host; in __gfs2_jdata_write_folio()
143 * @mapping: The mapping to write
148 static int gfs2_writepages(struct address_space *mapping, in gfs2_writepages() argument
151 struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping); in gfs2_writepages()
161 ret = iomap_writepages(mapping, wbc, &wpc, &gfs2_writeback_ops); in gfs2_writepages()
169 * @mapping: The mapping
177 static int gfs2_write_jdata_batch(struct address_space *mapping, in gfs2_write_jdata_batch() argument
182 struct inode *inode = mapping->host; in gfs2_write_jdata_batch()
205 if (unlikely(folio->mapping != mapping)) { in gfs2_write_jdata_batch()
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| /linux-6.14.4/drivers/sh/clk/ |
| D | core.c | 340 struct clk_mapping *mapping = clk->mapping; in clk_establish_mapping() local
345 if (!mapping) { in clk_establish_mapping()
349 * dummy mapping for root clocks with no specified ranges in clk_establish_mapping()
352 clk->mapping = &dummy_mapping; in clk_establish_mapping()
357 * If we're on a child clock and it provides no mapping of its in clk_establish_mapping()
358 * own, inherit the mapping from its root clock. in clk_establish_mapping()
361 mapping = clkp->mapping; in clk_establish_mapping()
362 BUG_ON(!mapping); in clk_establish_mapping()
366 * Establish initial mapping. in clk_establish_mapping()
368 if (!mapping->base && mapping->phys) { in clk_establish_mapping()
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| /linux-6.14.4/fs/ |
| D | dax.c | 177 * @entry may no longer be the entry at the index in the mapping.
325 return page->mapping == PAGE_MAPPING_DAX_SHARED; in dax_page_is_shared()
329 * Set the page->mapping with PAGE_MAPPING_DAX_SHARED flag, increase the
334 if (page->mapping != PAGE_MAPPING_DAX_SHARED) { in dax_page_share_get()
339 if (page->mapping) in dax_page_share_get()
341 page->mapping = PAGE_MAPPING_DAX_SHARED; in dax_page_share_get()
353 * whether this entry is shared by multiple files. If so, set the page->mapping
356 static void dax_associate_entry(void *entry, struct address_space *mapping, in dax_associate_entry() argument
372 WARN_ON_ONCE(page->mapping); in dax_associate_entry()
373 page->mapping = mapping; in dax_associate_entry()
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