Documented in 1 files:
Defined in 1 files as a function:
Referenced in 10 files:
- fs/ext4/inode.c, line 3929
- fs/proc/task_mmu.c, line 1703
- include/linux/mm.h, line 2796
- include/linux/rmap.h
- mm/gup.c, line 3553
- mm/gup_test.c, line 59
- mm/huge_memory.c
- mm/mempolicy.c, line 851
- mm/userfaultfd.c
- mm/vmscan.c
Smatch caller information:
mm/huge_memory.c __folio_try_share_anon_rmap() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_parent | 0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
mm/huge_memory.c folio_needs_cow_for_dma() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &oldmm->mmap_lock | ||
| LOCK2 | dst_ptl | ||
| LOCK2 | src_ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/huge_memory.c move_pages_huge_pmd() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| DATA_SOURCE | 0 | folio | r _compound_head |
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/huge_memory.c move_pages_huge_pmd() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| DATA_SOURCE | 0 | folio | r _compound_head |
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_present_ptes() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| LOCK2 | &ctx->map_changing_lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_present_ptes() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| LOCK2 | &ctx->map_changing_lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/gup_test.c verify_dma_pinned() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | folio | r _compound_head |
fs/proc/task_mmu.c pte_is_pinned() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 1-u64max |
| DATA_SOURCE | 0 | folio | r vm_normal_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/rmap.c __folio_try_share_anon_rmap() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 0 | folio->mapping->a_ops->error_remove_folio | 0,373303432983703552,3650281484867371008,6933238642996355072,7934844886813757440 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->free_folio | 0,87018317492477952,1576041750683152384,3223952723663937536,4787850423793061888 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_dirty_writeback | 0,7518438349615988736,8867638692533350400 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_partially_uptodate | 0,1933474595957665792,7182876493439184896 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->launder_folio | 0,122107076755599360,327075084911996928,858079631894568960,7268098942548045824 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_deactivate | 0,1546359495696728064,3888069641387622400,7359158453655175168,8604917376913055744 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_rw | 0,4986685196838862848,8487923053812363264 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_acl | 0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->sync_lazytime | 0,6951464784224747520 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->freeze | 7536128971011219456 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->sync | 8235259936313790464 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1640,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_parent | 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1293513186369728512,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->pgmap->ops->folio_free | 0,1125799360645222400,2314884282337259520,3487804881100709888,4287620441410408448,4432558333617348608 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| NOSPEC | 0 | folio->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| NO_OVERFLOW_SIMPLE | 0 | folio->index | |
| NO_OVERFLOW_SIMPLE | 0 | folio->mapping->host->i_size | |
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | 0 | &folio->private->lock |
mm/rmap.c hugetlb_try_share_anon_rmap() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 0 | folio->mapping->a_ops->error_remove_folio | 0,373303432983703552,3650281484867371008,6933238642996355072,7934844886813757440 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->free_folio | 0,87018317492477952,1576041750683152384,3223952723663937536,4787850423793061888 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_dirty_writeback | 0,7518438349615988736,8867638692533350400 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_partially_uptodate | 0,1933474595957665792,7182876493439184896 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->launder_folio | 0,122107076755599360,327075084911996928,858079631894568960,7268098942548045824 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_deactivate | 0,1546359495696728064,3888069641387622400,7359158453655175168,8604917376913055744 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_rw | 0,4986685196838862848,8487923053812363264 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_acl | 0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->sync_lazytime | 0,6951464784224747520 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->freeze | 7536128971011219456 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->sync | 8235259936313790464 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1640,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_parent | 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1293513186369728512,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 0 | folio->mapping->host->i_wb->dwork.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->pgmap->ops->folio_free | 0,1125799360645222400,2314884282337259520,3487804881100709888,4287620441410408448,4432558333617348608 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| NOSPEC | 0 | folio->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| NO_OVERFLOW_SIMPLE | 0 | folio->index | |
| NO_OVERFLOW_SIMPLE | 0 | folio->mapping->host->i_size | |
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &resv_map->rw_sema | ||
| HALF_LOCKED2 | &vma->vm_private_data->rw_sema | ||
| HALF_LOCKED2 | 0 | &folio->private->lock |
fs/ext4/inode.c ext4_journalled_dirty_folio() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->a_ops->error_remove_folio | 0,373303432983703552,3650281484867371008,6933238642996355072,7934844886813757440 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->free_folio | 0,87018317492477952,1576041750683152384,3223952723663937536,4787850423793061888 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_dirty_writeback | 0,7518438349615988736,8867638692533350400 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->is_partially_uptodate | 0,1933474595957665792,7182876493439184896 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->launder_folio | 0,122107076755599360,327075084911996928,858079631894568960,7268098942548045824 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_deactivate | 0,1546359495696728064,3888069641387622400,7359158453655175168,8604917376913055744 |
| PARAM_VALUE | 0 | folio->mapping->a_ops->swap_rw | 0,4986685196838862848,8487923053812363264 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_acl | 0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->sync_lazytime | 0,6951464784224747520 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->freeze | 7536128971011219456 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_bdev->bd_holder_ops->sync | 8235259936313790464 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_parent | 0,4672,5297,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1293513186369728512,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488-s64max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->pgmap->ops->folio_free | 0,1125799360645222400,2314884282337259520,3487804881100709888,4287620441410408448,4432558333617348608 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| BUF_SIZE | 0 | folio | (-1)-s32max |
| DATA_SOURCE | 0 | folio | $1 |
| NOSPEC | 0 | folio->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| NO_OVERFLOW_SIMPLE | 0 | folio->index | |
| NO_OVERFLOW_SIMPLE | 0 | folio->mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | folio->mapping->host->i_size | |
| HALF_LOCKED2 | &((&xas)->xa)->xa_lock | ||
| HALF_LOCKED2 | &inode->i_mapping->invalidate_lock | ||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &ip->i_rw_mutex | ||
| HALF_LOCKED2 | &log_ni->runlist.lock | ||
| HALF_LOCKED2 | &mapping->invalidate_lock | ||
| HALF_LOCKED2 | &mft_ni->mrec_lock | ||
| HALF_LOCKED2 | &mftbmp_ni->runlist.lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &ni->file.run_lock | ||
| HALF_LOCKED2 | &ni->ni_lock | ||
| HALF_LOCKED2 | &nm_i->nat_tree_lock.internal_rwsem | ||
| HALF_LOCKED2 | &sbi->cp_global_sem.internal_rwsem | ||
| HALF_LOCKED2 | &sbi->cp_rwsem.internal_rwsem | ||
| HALF_LOCKED2 | &sbi->gc_lock.internal_rwsem | ||
| HALF_LOCKED2 | &sbi->pin_sem.internal_rwsem | ||
| HALF_LOCKED2 | &session->mutex | ||
| HALF_LOCKED2 | &sit_i->sentry_lock | ||
| HALF_LOCKED2 | &src_inode->i_rwsem | ||
| HALF_LOCKED2 | &vol->lcnbmp_lock | ||
| HALF_LOCKED2 | &vol->mftbmp_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &ksm_thread_mutex | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | 0 | &folio->private->lock |
mm/hugetlb.c folio_needs_cow_for_dma() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| DATA_SOURCE | 0 | folio | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &oldmm->mmap_lock | ||
| LOCK2 | src_ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/ksm.c __folio_try_share_anon_rmap() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | global &ksm_thread_mutex | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/migrate_device.c __folio_try_share_anon_rmap() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | folio | unit_page |
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/vmscan.c shrink_folio_list() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r lru_to_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/vmscan.c shrink_folio_list() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r lru_to_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/memory.c folio_needs_cow_for_dma() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &oldmm->mmap_lock | ||
| LOCK2 | dst_ptl | ||
| LOCK2 | rcu_read | ||
| LOCK2 | src_ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/gup.c folio_add_pins() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &access->ioas_lock | ||
| HALF_LOCKED2 | &iopt->iova_rwsem | ||
| HALF_LOCKED2 | &pages->mutex |
mm/mempolicy.c folio_can_map_prot_numa() -> folio_maybe_dma_pinned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | ptl |