Defined in 2 files as a prototype:
- arch/arm64/include/asm/hugetlb.h, line 54 (as a prototype)
- arch/riscv/include/asm/hugetlb.h, line 21 (as a prototype)
Defined in 6 files as a function:
- arch/arm64/mm/hugetlbpage.c, line 369 (as a function)
- arch/loongarch/include/asm/hugetlb.h, line 14 (as a function)
- arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h, line 31 (as a function)
- arch/riscv/mm/hugetlbpage.c, line 361 (as a function)
- arch/s390/include/asm/hugetlb.h, line 41 (as a function)
- include/asm-generic/hugetlb.h, line 62 (as a function)
Referenced in 1 files:
Smatch caller information:
mm/hugetlb.c __unmap_hugepage_range() -> huge_pte_clear()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | addr | 0-18446744073709551614 |
| PARAM_VALUE | 2 | ptep | 4096-ptr_max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| BUF_SIZE | 0 | mm | (-1),1-s32max |
| CAPPED_DATA | 1 | addr | 1 |
| CAPPED_DATA | 1 | addr | 1 |
| CAPPED_DATA | 2 | ptep | 1 |
| DATA_SOURCE | 2 | ptep | r hugetlb_walk |
| DATA_SOURCE | 3 | sz | r huge_page_size |
| NOSPEC | 1 | addr | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | addr | 0-18446744073709551614 |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | addr | unit_byte |
| HALF_LOCKED2 | &mapping->i_mmap_rwsem |
mm/hugetlb.c hugetlb_change_protection() -> huge_pte_clear()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 0-18446744073709551614 |
| PARAM_VALUE | 2 | ptep | 4096-ptr_max |
| CAPPED_DATA | 1 | addr | 1 |
| CAPPED_DATA | 1 | addr | 1 |
| CAPPED_DATA | 2 | ptep | 1 |
| DATA_SOURCE | 1 | addr | $1 [m] |
| DATA_SOURCE | 3 | sz | r huge_page_size |
| NOSPEC | 1 | addr | |
| NOSPEC | 1 | addr | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | addr | 0-18446744073709551614 |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | addr | unit_byte |
| LOCK2 | &vma->vm_file->f_mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem |
mm/hugetlb.c move_huge_pte() -> huge_pte_clear()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 2 | ptep | 4096-ptr_max |
| PARAM_VALUE | 3 | sz | 2097152,1073741824 |
| CAPPED_DATA | 2 | ptep | 1 |
| DATA_SOURCE | 1 | addr | $2 |
| DATA_SOURCE | 2 | ptep | $4 |
| DATA_SOURCE | 3 | sz | $5 |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| USER_DATA | 1 | addr | 0-u64max |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | addr | unit_byte |
| LOCK2 | &mapping->i_mmap_rwsem | ||
| LOCK2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock | ||
| HALF_LOCKED2 | src_ptl | ||
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |