Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/hugetlb.c __unmap_hugepage_range() -> vma_needs_reservation()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | h | 4096-ptr_max |
| PARAM_VALUE | 0 | h->next_nid_to_free | 0-64 |
| PARAM_VALUE | 0 | h->surplus_huge_pages | 0 |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file | 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->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->sched_class->uclamp_enabled | 0-1 |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | addr | 0-18446744073709551614 |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma->vm_file | (-1),4,24,64,168-s32max |
| BUF_SIZE | 1 | vma->vm_mm | (-1),1-s32max |
| BUF_SIZE | 1 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 1 | vma->vm_private_data | (-1),1-s32max |
| CAPPED_DATA | 2 | addr | 1 |
| CAPPED_DATA | 2 | addr | 1 |
| DATA_SOURCE | 0 | h | r hstate_vma |
| DATA_SOURCE | 1 | vma | $1 |
| NOSPEC | 1 | vma->vm_end | |
| NOSPEC | 1 | vma->vm_pgoff | |
| NOSPEC | 1 | vma->vm_start | |
| NOSPEC | 2 | addr | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->pfnmap_track_ctx->pfn | 0-13510803177078779[c] |
| USER_DATA | 1 | vma->pfnmap_track_ctx->size | 0,4096-u64max[c] |
| USER_DATA | 1 | vma->shared.rb_subtree_last | 0-u64max[u] |
| USER_DATA | 1 | vma->vm_end | 0-u64max |
| USER_DATA | 1 | vma->vm_pgoff | 0-13510803177078779[c] |
| USER_DATA | 1 | vma->vm_start | 0-u64max |
| USER_DATA | 2 | addr | 0-18446744073709551614 |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_policy->mode | |
| UNITS | 1 | vma | unit_byte |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | 1 | &vma->vm_private_data->rw_sema |
mm/hugetlb.c alloc_hugetlb_folio() -> vma_needs_reservation()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | h | 4096-ptr_max |
| 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 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->sched_class->uclamp_enabled | 0-1 |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| CAPPED_DATA | 1 | vma | 1 |
| DATA_SOURCE | 0 | h | r hstate_vma |
| DATA_SOURCE | 1 | vma | $0 |
| DATA_SOURCE | 2 | addr | $1 |
| NOSPEC | 2 | addr | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 2 | addr | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_start | |
| UNITS | 1 | vma | unit_byte |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock |
mm/hugetlb.c hugetlb_fault() -> vma_needs_reservation()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | h | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_end | 1073741824-u64max |
| PARAM_VALUE | 1 | vma->vm_file | 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_sb->s_cop->inode_info_offs | 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.dep_map->name | 0-255 |
| 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->list.next | 2212933610777083904 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->list.prev | 2212933610777083904 |
| 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_flags | 1-u64max |
| 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->sched_class->uclamp_enabled | 0-1 |
| 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->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 |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma->vm_file | (-1),4,24,64,168-s32max |
| BUF_SIZE | 1 | vma->vm_private_data | (-1)-s32max |
| CAPPED_DATA | 1 | vma | 1 |
| CAPPED_DATA | 2 | addr | 1 |
| CAPPED_DATA | 2 | addr | 1 |
| DATA_SOURCE | 0 | h | r hstate_vma |
| DATA_SOURCE | 1 | vma | $1 |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xffffffffffffff7f |
| NOSPEC | 1 | vma->vm_pgoff | |
| NOSPEC | 1 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_end | 1073741824-u64max[c] |
| USER_DATA | 1 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 1 | vma->vm_start | 0-18446744073709547520 |
| USER_DATA | 2 | addr | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_policy->mode | |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/hugetlb.c hugetlb_no_page() -> vma_needs_reservation()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | h | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file | 4096-ptr_max |
| DATA_SOURCE | 0 | h | r hstate_vma |
| BIT_INFO | 1 | vma->vm_flags | 0x0,0xfffffffffffffff7 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_policy->flags | 0,24,8192-57368[c] |
| USER_DATA | 1 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 2 | addr | 0-u64max[c] |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |
mm/hugetlb.c restore_reserve_on_error() -> vma_needs_reservation()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | h->next_nid_to_free | 0-64 |
| 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 |
| PARAM_VALUE | 1 | vma->vm_mm->vma_writer_wait.task->sched_class->uclamp_enabled | 0-1 |
| PARAM_VALUE | 1 | vma->vm_ops | 0,4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| CAPPED_DATA | 1 | vma | 1 |
| DATA_SOURCE | 0 | h | $0 |
| DATA_SOURCE | 1 | vma | $1 |
| DATA_SOURCE | 2 | addr | $2 |
| NOSPEC | 2 | addr | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 2 | addr | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_start | |
| UNITS | 1 | vma | unit_byte |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | src_ptl |