Defined in 2 files as a function:
- include/linux/shmem_fs.h, line 190 (as a function)
- tools/testing/vma/include/stubs.h, line 100 (as a function)
Referenced in 8 files:
- arch/arm64/include/asm/mman.h, line 48
- drivers/dma-buf/udmabuf.c, line 276
- mm/gup.c, line 3454
- mm/huge_memory.c, line 188
- mm/khugepaged.c, line 2280
- mm/memfd.c, line 213
- mm/memfd_luo.c, line 585
- mm/vma.c, line 2869
Smatch caller information:
mm/huge_memory.c __thp_vma_allowable_orders() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 0,4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | file->f_mapping->host->i_size | |
| HALF_LOCKED2 | &m->lock |
mm/vma.c can_set_ksm_flags_early() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
mm/gup.c memfd_pin_folios() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 1-u64max |
| CAPPED_DATA | 0 | file | 1 |
| DATA_SOURCE | 0 | file | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | _T->lock |
mm/memfd_luo.c memfd_luo_can_preserve() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
| CAPPED_DATA | 0 | file | 1 |
| DATA_SOURCE | 0 | file | $1 |
| LOCK2 | _T->lock | ||
| LOCK2 | global &luo_register_rwlock |
drivers/dma-buf/udmabuf.c check_memfd_seals() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
| CAPPED_DATA | 0 | file | 1 |
| DATA_SOURCE | 0 | file | $0 |
mm/khugepaged.c collapse_file() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
| DATA_SOURCE | 0 | file | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | file->f_mapping->host->i_size | |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memfd.c memfd_file_seals_ptr() -> shmem_file()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 0,4-u64max |
| BUF_SIZE | 0 | file | (-1)-s32max |
| BUF_SIZE | 0 | file | (-1)-s32max |
| BUF_SIZE | 0 | file->f_op | (-1),272 |
| BUF_SIZE | 0 | file->private_data | (-1),32 |
| DATA_SOURCE | 0 | file | $0 |
| RX_PATH | |||
| USER_DATA | 0 | file->f_flags | 0-18433,32770 |
| USER_DATA | 0 | file->f_mode | 33554432,34078720-571342855[c] |
| NO_OVERFLOW_SIMPLE | 0 | file->f_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | file->f_inode->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | file->f_path.d_inode->i_size | |
| HALF_LOCKED2 | &inode->i_rwsem |