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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

mm/huge_memory.c can_change_pmd_writable() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
CAPPED_DATA 1 addr 1
CAPPED_DATA 1 addr 1
DATA_SOURCE 0 vma $0
DATA_SOURCE 1 addr $1
DATA_SOURCE 2 pmd $2
BIT_INFO 0 vma->vm_flags 0x2,0xfffffffffffffff7
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vma->vm_end 1-u64max[c]
USER_DATA 0 vma->vm_start 1-u64max[c]
USER_DATA 1 addr 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_file->f_mapping->host->i_size
NO_OVERFLOW_SIMPLE 0 vma->vm_start
UNITS 1 addr unit_byte
HALF_LOCKED2 &mm->mmap_lock

mm/pagewalk.c folio_walk_start() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->vm_end 1-u64max
PARAM_VALUE 0 vma->vm_mm 4096-ptr_max
PARAM_VALUE 0 vma->vm_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 1 addr 0,4096-18446744073709551614
CAPPED_DATA 0 vma->vm_end 1
CAPPED_DATA 0 vma->vm_start 1
CAPPED_DATA 1 addr 1
CAPPED_DATA 1 addr 1
DATA_SOURCE 0 vma $1
DATA_SOURCE 1 addr $2
DATA_SOURCE 2 pmd r pmdp_get
PARAM_COMPARE 0 vma->vm_end > $0->vm_start
PARAM_COMPARE 1 addr < $0->vm_end
PARAM_COMPARE 1 addr < $0->vm_end
PARAM_COMPARE 1 addr >= $0->vm_start
PARAM_COMPARE 1 addr >= $0->vm_start
BIT_INFO 1 addr 0x0,0xfffffffffffff000
BIT_INFO 1 addr 0x0,0xfffffffffffff000
NOSPEC 0 vma->vm_pgoff
NOSPEC 0 vma->vm_start
NOSPEC 1 addr
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vma->shared.rb_subtree_last 0-u64max[u]
USER_DATA 0 vma->vm_pgoff 0-4503599627370495[c]
USER_DATA 0 vma->vm_start 0-s32max,9223372036854775807[c]
USER_DATA 1 addr 0[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_end
NO_OVERFLOW_SIMPLE 0 vma->vm_pgoff
UNITS 1 addr unit_byte
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &split_debug_mutex
HALF_LOCKED2 global &ksm_thread_mutex

fs/proc/task_mmu.c can_gather_numa_stats_pmd() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 0,4096-ptr_max
DATA_SOURCE 0 vma $1
DATA_SOURCE 1 addr $2
DATA_SOURCE 2 pmd $0
NOSPEC 1 addr
NOSPEC 1 addr
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 addr 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_end
NO_OVERFLOW_SIMPLE 0 vma->vm_start
HALF_LOCKED2 &mm->mmap_lock

fs/proc/task_mmu.c pagemap_thp_category() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 0,4096-ptr_max
DATA_SOURCE 0 vma $1
DATA_SOURCE 1 addr $2
DATA_SOURCE 2 pmd $3
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 addr 0-18446744073709551614[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_end
HALF_LOCKED2 &mm->mmap_lock

fs/proc/task_mmu.c smaps_pmd_entry() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
DATA_SOURCE 1 addr $1
NOSPEC 1 addr
NOSPEC 1 addr
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 addr 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_end
NO_OVERFLOW_SIMPLE 0 vma->vm_start
HALF_LOCKED2 &mm->mmap_lock

mm/ksm.c ksm_next_page_pmd_entry() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 0,4096-ptr_max
DATA_SOURCE 1 addr $1
DATA_SOURCE 2 pmd r pmdp_get
NOSPEC 1 addr
NOSPEC 1 addr
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 addr 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_end
NO_OVERFLOW_SIMPLE 0 vma->vm_start
HALF_LOCKED2 &mm->mmap_lock

mm/memory.c vm_normal_folio_pmd() -> vm_normal_page_pmd()

Type Parameter Key Value
PARAM_VALUE 0 vma 0,4096-ptr_max
PARAM_VALUE 0 vma->vm_file->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_file->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 vma->vm_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 0 vma->vm_mm->vma_writer_wait.task->sched_class->uclamp_enabled 0-1
PARAM_VALUE 0 vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type 0-1
BUF_SIZE 0 vma (-1),1-s32max
BUF_SIZE 0 vma (-1),1-s32max
BUF_SIZE 0 vma->vm_mm (-1),1-s32max
BUF_SIZE 0 vma->vm_ops (-1),144
BUF_SIZE 0 vma->vm_private_data s32min-(-1),1-s32max
CAPPED_DATA 0 vma 1
DATA_SOURCE 0 vma $0
DATA_SOURCE 1 addr $1
DATA_SOURCE 2 pmd $2
NOSPEC 0 vma->vm_end
NOSPEC 0 vma->vm_pgoff
NOSPEC 0 vma->vm_start
NOSPEC 1 addr
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vma->pfnmap_track_ctx->pfn 0-9007201402224637[c]
USER_DATA 0 vma->pfnmap_track_ctx->size 0,4096-u64max[c]
USER_DATA 0 vma->shared.rb_subtree_last 0-u64max[u]
USER_DATA 0 vma->vm_end 0-u64max
USER_DATA 0 vma->vm_pgoff 0-9007201402224637[c]
USER_DATA 0 vma->vm_start 0-u64max
USER_DATA 1 addr 0-u64max
NO_OVERFLOW_SIMPLE 0 vma->vm_file->f_mapping->host->i_size
NO_OVERFLOW_SIMPLE 0 vma->vm_policy->mode
UNITS 0 vma unit_byte
UNITS 1 addr unit_byte
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 ptl