Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
arch/x86/kernel/tboot.c map_tboot_page() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r pmd_alloc |
mm/pagewalk.c walk_pmd_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| BUF_SIZE | 0 | mm | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | mm | s32min-(-1),1-s32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/userfaultfd.c mfill_establish_pmd() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r mm_alloc_pmd |
| UNITS | 0 | mm | unit_byte |
| LOCK2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | &state->ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_pages() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_users.counter | 0-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->task_size | 1-u64max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| CAPPED_DATA | 0 | mm | 1 |
| UNITS | 0 | mm | unit_byte |
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/userfaultfd.c move_pages() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_users.counter | 0-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->task_size | 1-u64max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| CAPPED_DATA | 0 | mm | 1 |
| DATA_SOURCE | 1 | pmd | r mm_alloc_pmd |
| UNITS | 0 | mm | unit_byte |
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/mprotect.c change_pmd_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock |
mm/mprotect.c change_pmd_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock |
mm/mremap.c move_page_tables() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r alloc_new_pmd |
| UNITS | 0 | mm | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/migrate_device.c migrate_vma_insert_page() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r pmd_alloc |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &drm->dmem->mutex |
mm/memory.c apply_to_pte_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-7138969414219841535,7138969414219841537-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pmd | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | flags |
mm/memory.c copy_pte_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->context.ldt | 0 |
| PARAM_VALUE | 0 | mm->context.ldt_usr_sem.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->context.lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->context.tlb_gen.counter | 0 |
| PARAM_VALUE | 0 | mm->context.untag_mask | u64max |
| PARAM_VALUE | 0 | mm->def_flags | 0,1073741824 |
| PARAM_VALUE | 0 | mm->exe_file | 0,4096-ptr_max |
| PARAM_VALUE | 0 | mm->hugetlb_usage.counter | 0 |
| PARAM_VALUE | 0 | mm->ioctx_table | 0 |
| PARAM_VALUE | 0 | mm->iommu_mm | 0 |
| PARAM_VALUE | 0 | mm->locked_vm | 0 |
| PARAM_VALUE | 0 | mm->lru_gen.bitmap | 0 |
| PARAM_VALUE | 0 | mm->lru_gen.memcg | 0 |
| PARAM_VALUE | 0 | mm->map_count | 0-s32max |
| PARAM_VALUE | 0 | mm->mm_cid.lock.magic | 3735899821 |
| PARAM_VALUE | 0 | mm->mm_cid.lock.owner | (-1) |
| PARAM_VALUE | 0 | mm->mm_cid.lock.owner_cpu | u32max |
| PARAM_VALUE | 0 | mm->mm_cid.max_cids | 0 |
| PARAM_VALUE | 0 | mm->mm_cid.mode | 0 |
| PARAM_VALUE | 0 | mm->mm_cid.mutex.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_cid.pcpu | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_cid.pcpu_thrs | 0 |
| PARAM_VALUE | 0 | mm->mm_cid.update_deferred | 0 |
| PARAM_VALUE | 0 | mm->mm_cid.users | 0 |
| PARAM_VALUE | 0 | mm->mm_count.counter | 1 |
| PARAM_VALUE | 0 | mm->mm_id | 0-s32max |
| PARAM_VALUE | 0 | mm->mm_mt.ma_flags | 771 |
| PARAM_VALUE | 0 | mm->mm_mt.ma_root | 0 |
| PARAM_VALUE | 0 | mm->mm_users.counter | 1 |
| PARAM_VALUE | 0 | mm->mmap_lock.count.counter | 0 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter | 0 |
| PARAM_VALUE | 0 | mm->mmap_lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mmap_lock.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.owner.counter | 0 |
| PARAM_VALUE | 0 | mm->notifier_subscriptions | 0 |
| PARAM_VALUE | 0 | mm->owner | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->pgd | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 0 | mm->pinned_vm.counter | 0 |
| PARAM_VALUE | 0 | mm->sc_stat.cpu | (-1) |
| PARAM_VALUE | 0 | mm->sc_stat.footprint | 0 |
| PARAM_VALUE | 0 | mm->sc_stat.lock.magic | 3735899821 |
| PARAM_VALUE | 0 | mm->sc_stat.lock.owner | (-1) |
| PARAM_VALUE | 0 | mm->sc_stat.lock.owner_cpu | u32max |
| PARAM_VALUE | 0 | mm->sc_stat.nr_running_avg | 0 |
| PARAM_VALUE | 0 | mm->sc_stat.pcpu_sched | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->uprobes_state.xol_area | 0 |
| PARAM_VALUE | 0 | mm->vma_writer_wait.task | 0 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| CAPPED_DATA | 0 | mm->mm_id | 1 |
| DATA_SOURCE | 1 | pmd | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &oldmm->mmap_lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/memory.c do_anonymous_page() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c finish_fault() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
mm/memory.c get_locked_pte() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->context.ldt_usr_sem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->vma_writer_wait.task->sched_class->uclamp_enabled | 0-1 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| BUF_SIZE | 0 | mm | (-1)-s32max |
| BUF_SIZE | 0 | mm | (-1)-s32max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pmd | r walk_to_pmd |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | mm->context.ldt->nr_entries | 1-8192[c] |
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | 0 | &mm->context.ldt_usr_sem | |
| HALF_LOCKED2 | 0 | &mm->mmap_lock |
mm/memory.c insert_pages() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r walk_to_pmd |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
mm/memory.c remap_pte_range() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pmd | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
mm/gup.c follow_pmd_mask() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 1 | pmd | r pmd_offset |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/debug_vm_pgtable.c init_args() -> __pte_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pmd | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | r mm_alloc |
| DATA_SOURCE | 1 | pmd | r pmd_alloc |