Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
Smatch caller information:
mm/huge_memory.c do_huge_pmd_wp_page() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->anon_vma | 1-u64max |
| PARAM_VALUE | 1 | vma->vm_ops | 0 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | vmf->ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |
mm/huge_memory.c move_pages_huge_pmd() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_ops | 0 |
| PARAM_VALUE | 1 | vma->vm_refcnt.refs.counter | (-1073741824),0-s32max |
| CAPPED_DATA | 1 | vma->vm_userfaultfd_ctx.ctx | 1 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| DATA_SOURCE | 1 | vma | $4 |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xfffffffffffffff7 |
| NOCHECK_CALL | |||
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_present_ptes() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| 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->delays->blkio_delay_max | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->delays->blkio_delay_min | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_ops | 0 |
| PARAM_VALUE | 1 | vma->vm_refcnt.refs.counter | (-1073741824),0-s32max |
| CAPPED_DATA | 1 | vma->vm_userfaultfd_ctx.ctx | 1 |
| DATA_SOURCE | 1 | vma | $1 |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xfffffffffffffff7 |
| NOCHECK_CALL | |||
| LOCK2 | &ctx->map_changing_lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_swap_pte() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| 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->delays->blkio_delay_max | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->delays->blkio_delay_min | 0-s64max |
| PARAM_VALUE | 1 | vma->vm_ops | 0 |
| PARAM_VALUE | 1 | vma->vm_refcnt.refs.counter | (-1073741824),0-s32max |
| CAPPED_DATA | 0 | folio->swap.val | 1 |
| CAPPED_DATA | 1 | vma->vm_userfaultfd_ctx.ctx | 1 |
| DATA_SOURCE | 0 | folio | $12 |
| DATA_SOURCE | 1 | vma | $1 |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xfffffffffffffff7 |
| NOCHECK_CALL | |||
| LOCK2 | &ctx->map_changing_lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/hugetlb.c hugetlb_wp() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file | 4096-ptr_max |
| 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 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xffffffffffffff7f |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | vma->vm_policy->flags | 0,24,8192-57368[c] |
| USER_DATA | 1 | vma->vm_policy->home_node | 0-1023 |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | vmf->ptl |
mm/memory.c wp_can_reuse_anon_folio() -> folio_move_anon_rmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 1 | vma | $1 |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xffffffffffffff77 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | vma->swap_readahead_info.counter | 0-s64max[c] |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_pgoff | |
| UNITS | 0 | folio | unit_page |
| LOCK2 | vmf->ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | rcu_read |