Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/gup.c can_follow_write_pmd() -> can_follow_write_common()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_mm->context.asid_transition | 1 |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->delays->blkio_count | 0-4294967295 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema->wait_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | flags | 1-u32max |
| DATA_SOURCE | 0 | page | $1 |
| DATA_SOURCE | 1 | vma | $2 |
| DATA_SOURCE | 2 | flags | $3 |
| BIT_INFO | 2 | flags | 0x1,0xffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | flags | 1-u32max |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_file->f_mapping->host->i_size | |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/gup.c can_follow_write_pte() -> can_follow_write_common()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_wb->dwork.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->delays->blkio_count | 0-4294967295 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema->wait_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | flags | 1-u32max |
| DATA_SOURCE | 0 | page | $1 |
| DATA_SOURCE | 1 | vma | $2 |
| DATA_SOURCE | 2 | flags | $3 |
| BIT_INFO | 2 | flags | 0x1,0xffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | flags | 1-u32max |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_file->f_mapping->host->i_size | |
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/gup.c can_follow_write_pud() -> can_follow_write_common()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_inode->i_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | 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 | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_mm->context.asid_transition | 1 |
| PARAM_VALUE | 1 | vma->vm_mm->iommu_mm->pasid | 0-4294967295 |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->delays->blkio_count | 0-4294967295 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->sched_task_group->parent | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema->wait_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->handoff_set | 1 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_private_data->rw_sema.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | flags | 1-u32max |
| DATA_SOURCE | 0 | page | $1 |
| DATA_SOURCE | 1 | vma | $2 |
| DATA_SOURCE | 2 | flags | $3 |
| BIT_INFO | 2 | flags | 0x1,0x7fffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | flags | 1-u32max |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_file->f_mapping->host->i_size | |
| HALF_LOCKED2 | &mm->mmap_lock |