Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 3 files:
Smatch caller information:
arch/x86/kernel/tboot.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| PARAM_VALUE | 2 | address | 0,4096-u64max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| UNITS | 2 | address | unit_byte |
mm/pagewalk.c walk_pud_range() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| BUF_SIZE | 0 | mm | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | mm | s32min-(-1),1-s32max |
| DATA_SOURCE | 2 | address | $1 [m] |
| NOSPEC | 2 | address | |
| NOSPEC | 2 | address | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | address | 0-u64max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | global &init_mm.mmap_lock |
mm/userfaultfd.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| 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 | 1 | pud | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| NOSPEC | 2 | address | |
| NOSPEC | 2 | address | |
| USER_DATA | 2 | address | 0-18446744073709551614[c] |
| NO_OVERFLOW_SIMPLE | 2 | address | |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/kasan/init.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 7138969414219841536 |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | irq |
mm/mprotect.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| CAPPED_DATA | 2 | address | 1 |
| CAPPED_DATA | 2 | address | 1 |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | address | 0-u64max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock |
mm/hugetlb.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| 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 | pud | 4096-ptr_max |
| BUF_SIZE | 0 | mm | (-1)-s32max |
| BUF_SIZE | 0 | mm | (-1)-s32max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| NOSPEC | 2 | address | |
| NOSPEC | 2 | address | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | address | 0-u64max |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | &vma->vm_file->f_mapping->i_mmap_rwsem |
mm/mremap.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->notifier_subscriptions->has_itree | 0-1 |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| USER_DATA | 2 | address | 0-u64max |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/migrate_device.c pmd_alloc() -> __pmd_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 | pud | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &drm->dmem->mutex |
mm/memory.c pmd_alloc() -> __pmd_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->vma_writer_wait.task->sched_class->uclamp_enabled | 0-1 |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| NOSPEC | 2 | address | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | mm->context.ldt->nr_entries | 1-8192[c] |
| USER_DATA | 2 | address | 0-u64max |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | 0 | &mm->context.ldt_usr_sem | |
| HALF_LOCKED2 | 0 | &mm->mmap_lock |
mm/memory.c pmd_alloc_track() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| CAPPED_DATA | 2 | address | 1 |
| CAPPED_DATA | 2 | address | 1 |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | address | 0-u64max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 2 | address | unit_byte |
| HALF_LOCKED2 | flags |
mm/vmalloc.c pmd_alloc_track() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 7138969414219841536 |
| PARAM_VALUE | 1 | pud | 4096-ptr_max |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | address | unit_byte |
mm/debug_vm_pgtable.c pmd_alloc() -> __pmd_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 | pud | 4096-ptr_max |
| CAPPED_DATA | 2 | address | 1 |
| CAPPED_DATA | 2 | address | 1 |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
mm/khugepaged.c pmd_alloc() -> __pmd_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->context.asid_transition | 1 |
| PARAM_VALUE | 0 | mm->page_table_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | pud | 18379471554275704832-18383975153903071232 |
| PARAM_VALUE | 2 | address | 0 |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 1 | pud | $1 |
| DATA_SOURCE | 2 | address | $2 |
| NOSPEC | 2 | address | |
| NOSPEC | 2 | address | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | address | 0[c] |
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |