Defined in 2 files as a function:
- include/linux/userfaultfd_k.h, line 297 (as a function)
- include/linux/userfaultfd_k.h, line 484 (as a function)
Referenced in 2 files:
Smatch caller information:
fs/proc/task_mmu.c pagemap_scan_test_walk() -> userfaultfd_wp_use_markers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mapping->i_mmap_rwsem |
mm/mprotect.c change_pte_range() -> userfaultfd_wp_use_markers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_start | 1-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 | |
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/mprotect.c pgtable_populate_needed() -> userfaultfd_wp_use_markers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_start | 1-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock |