Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/huge_memory.c change_huge_pmd() -> can_change_pmd_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_mm->iommu_mm->pasid | 0-4294967295 |
| PARAM_VALUE | 0 | vma->vm_mm->notifier_subscriptions->has_itree | 0-1 |
| CAPPED_DATA | 1 | addr | 1 |
| CAPPED_DATA | 1 | addr | 1 |
| DATA_SOURCE | 0 | vma | $1 |
| DATA_SOURCE | 1 | addr | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_start | 1-u64max[c] |
| USER_DATA | 1 | addr | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| UNITS | 1 | addr | unit_byte |
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/huge_memory.c do_huge_pmd_numa_page() -> can_change_pmd_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 0,4096-u64max |
| DATA_SOURCE | 2 | pmd | r pmd_modify |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | addr | 0,4096-u64max[c] |
| UNITS | 1 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |
mm/huge_memory.c do_huge_pmd_uffd_rwp() -> can_change_pmd_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 0,4096-u64max |
| DATA_SOURCE | 2 | pmd | r pmd_mkyoung |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | addr | 0,4096-u64max[c] |
| UNITS | 1 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |