Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 3 files:
Smatch caller information:
fs/proc/task_mmu.c pagemap_scan_test_walk() -> userfaultfd_wp_async()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mapping->i_mmap_rwsem |
mm/hugetlb.c hugetlb_fault() -> userfaultfd_wp_async()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1),4,24,64,168-s32max |
| BUF_SIZE | 0 | vma->vm_private_data | (-1)-s32max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 1073741824-u64max[c] |
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_policy->mode | |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c do_wp_page() -> userfaultfd_wp_async()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | vmf->ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | rcu_read |
mm/memory.c wp_huge_pmd() -> userfaultfd_wp_async()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |