Defined in 2 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/rmap.c folio_add_new_anon_rmap() -> folio_set_large_mapcount()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| 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 | 0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-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 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 2 | vma | 4096-ptr_max |
| PARAM_VALUE | 2 | vma->anon_vma | 1-u64max |
| PARAM_VALUE | 2 | vma->vm_file->f_inode->i_sb->s_cop->inode_info_offs | 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 2 | vma->vm_file->f_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 | 2 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 2 | vma | (-1),1-s32max |
| BUF_SIZE | 2 | vma | (-1),1-s32max |
| CAPPED_DATA | 0 | folio | 1 |
| CAPPED_DATA | 1 | mapcount | 1 |
| CAPPED_DATA | 2 | vma | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 1 | mapcount | r folio_large_nr_pages |
| DATA_SOURCE | 2 | vma | $1 |
| PARAM_COMPARE | 0 | folio->_nr_pages | == $1 |
| PARAM_COMPARE | 1 | mapcount | == $0->_nr_pages |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 2 | vma->vm_policy->flags | 0,24,8192-57368[c] |
| USER_DATA | 2 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 2 | vma->vm_policy->mode | 2-3,5-u16max |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_start | |
| UNITS | 0 | folio | unit_page |
| UNITS | 2 | vma | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | vmf->ptl | ||
| HALF_LOCKED2 | 2 | &vma->anon_vma->root->rwsem |
mm/rmap.c folio_add_new_anon_rmap() -> folio_set_large_mapcount()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->_entire_mapcount.counter | 0 |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| 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 | 0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-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 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 1 | mapcount | 1 |
| PARAM_VALUE | 2 | vma | 4096-ptr_max |
| PARAM_VALUE | 2 | vma->anon_vma | 1-u64max |
| PARAM_VALUE | 2 | vma->vm_file->f_inode->i_sb->s_cop->inode_info_offs | 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 2 | vma->vm_file->f_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 | 2 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 2 | vma | (-1),1-s32max |
| BUF_SIZE | 2 | vma | (-1),1-s32max |
| CAPPED_DATA | 0 | folio | 1 |
| CAPPED_DATA | 2 | vma | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 2 | vma | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 2 | vma->vm_policy->flags | 0,24,8192-57368[c] |
| USER_DATA | 2 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 2 | vma->vm_policy->mode | 2-3,5-u16max |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 2 | vma->vm_start | |
| UNITS | 0 | folio | unit_page |
| UNITS | 2 | vma | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | vmf->ptl | ||
| HALF_LOCKED2 | 2 | &vma->anon_vma->root->rwsem |