Defined in 2 files as a function:
- include/linux/fs.h, line 585 (as a function)
- tools/testing/vma/include/dup.h, line 1293 (as a function)
Referenced in 3 files:
Smatch caller information:
mm/mmap.c dup_mmap() -> mapping_allow_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mapping | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &oldmm->mmap_lock | ||
| LOCK2 | 0 | &mapping->i_mmap_rwsem | |
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/vma.c __vma_link_file() -> mapping_allow_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | mapping | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &vp->mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | 0 | &mapping->i_mmap_rwsem | |
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem |
mm/memfd.c memfd_add_seals() -> mapping_allow_writable()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | mapping->i_mmap_writable.counter | 0-s32max |
| NOCHECK_CALL | |||
| LOCK2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &session->mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct inode)->i_rwsem |