Defined in 5 files as a macro:

Defined in 7 files as a function:

Referenced in 58 files:

Smatch caller information:

arch/x86/mm/init_64.c __init_extra_mapping() -> p4d_none()

Type Parameter Key Value

arch/x86/mm/init_64.c fill_pud() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

arch/x86/mm/init_64.c phys_p4d_init() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

arch/x86/mm/init_64.c pud_alloc() -> p4d_none()

Type Parameter Key Value
LOCK2 irq

arch/x86/mm/init_64.c sync_global_pgds_l4() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

arch/x86/mm/init_64.c sync_global_pgds_l4() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &pgd_lock
LOCK2 pgt_lock
HALF_LOCKED2 irq

arch/x86/mm/init_64.c sync_global_pgds_l4() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &pgd_lock
LOCK2 pgt_lock
HALF_LOCKED2 irq

arch/x86/mm/init_64.c sync_global_pgds_l4() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &pgd_lock
LOCK2 pgt_lock
HALF_LOCKED2 irq

arch/x86/kernel/tboot.c pud_alloc() -> p4d_none()

Type Parameter Key Value

mm/pagewalk.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock

mm/userfaultfd.c pud_alloc() -> p4d_none()

Type Parameter Key Value
HALF_LOCKED2 &ctx->map_changing_lock
HALF_LOCKED2 &state.ctx->map_changing_lock
TYPE_LOCK (struct userfaultfd_ctx)->map_changing_lock

mm/swapfile.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
CAPABLE 0 21
LOCK2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/percpu.c pcpu_populate_pte() -> p4d_none()

Type Parameter Key Value
LOCK2 irq

mm/kasan/init.c kasan_free_p4d() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->mutex

mm/kasan/init.c pud_alloc() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

mm/kasan/init.c zero_p4d_populate() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

arch/x86/mm/pti.c pti_clone_pgtable() -> p4d_none()

Type Parameter Key Value
HALF_LOCKED2 irq

arch/x86/mm/pti.c pti_user_pagetable_walk_pmd() -> p4d_none()

Type Parameter Key Value
HALF_LOCKED2 irq

mm/mprotect.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dst_mm->mmap_lock
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 _T->lock

mm/mprotect.c pud_alloc() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dst_mm->mmap_lock
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 _T->lock

mm/hugetlb.c pud_alloc() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mapping->i_mmap_rwsem
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &oldmm->mmap_lock
HALF_LOCKED2 &state.ctx->map_changing_lock
HALF_LOCKED2 &vma->vm_file->f_mapping->i_mmap_rwsem

mm/mremap.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
LOCK2 &mm->mmap_lock
HALF_LOCKED2 &tsk->signal->exec_update_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/mremap.c pud_alloc() -> p4d_none()

Type Parameter Key Value
LOCK2 &mm->mmap_lock
HALF_LOCKED2 &tsk->signal->exec_update_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

arch/x86/kvm/mmu/mmu.c host_pfn_mapping_level() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 flags
HALF_LOCKED2 &kvm->arch.apic_map_lock
HALF_LOCKED2 &kvm->arch.apicv_update_lock
HALF_LOCKED2 &kvm->lock
HALF_LOCKED2 &kvm->mmu_lock
HALF_LOCKED2 &kvm->slots_lock
HALF_LOCKED2 &kvm->srcu
HALF_LOCKED2 rcu_read

arch/x86/mm/kasan_init_64.c kasan_early_p4d_populate() -> p4d_none()

Type Parameter Key Value

arch/x86/mm/kasan_init_64.c kasan_early_p4d_populate() -> p4d_none()

Type Parameter Key Value

arch/x86/mm/kasan_init_64.c kasan_populate_p4d() -> p4d_none()

Type Parameter Key Value
LOCK2 irq

arch/x86/mm/kasan_init_64.c kasan_shallow_populate_p4ds() -> p4d_none()

Type Parameter Key Value
LOCK2 irq

mm/migrate_device.c pud_alloc() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &drm->dmem->mutex

mm/memory.c apply_to_p4d_range() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 flags

mm/memory.c apply_to_p4d_range() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 flags

mm/memory.c follow_pfnmap_start() -> p4d_none()

Type Parameter Key Value
DATA_SOURCE 0 p4d r p4dp_get
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &iommu->lock
HALF_LOCKED2 &mm->mmap_lock

mm/memory.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &oldmm->mmap_lock

mm/memory.c pud_alloc() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &oldmm->mmap_lock

mm/memory.c pud_alloc_track() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 flags

mm/gup.c get_gate_page() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock

arch/x86/boot/startup/sme.c sme_prepare_pgd() -> p4d_none()

Type Parameter Key Value

arch/x86/mm/pat/set_memory.c collapse_large_pages() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &cpa_lock
LOCK2 global &pgd_lock
HALF_LOCKED2 global &mem_enc_lock

arch/x86/mm/pat/set_memory.c lookup_address_in_pgd_attr() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 flags

arch/x86/mm/pat/set_memory.c lookup_pmd_address() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &balloon_mutex
HALF_LOCKED2 global &list_lock

arch/x86/mm/pat/set_memory.c populate_pgd() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &cpa_lock
HALF_LOCKED2 global &mem_enc_lock

arch/x86/platform/efi/efi_64.c pud_alloc() -> p4d_none()

Type Parameter Key Value

mm/vmalloc.c p4d_none_or_clear_bad() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &pcpu_alloc_mutex

mm/vmalloc.c pud_alloc_track() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

mm/vmalloc.c vmalloc_to_page() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &bo->mutex
HALF_LOCKED2 &cache->writeback_lock
HALF_LOCKED2 &fbdefio_state->lock
HALF_LOCKED2 &hw->hw_info.lock
HALF_LOCKED2 &idev->info_lock
HALF_LOCKED2 &pds_vfio->state_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &rproc->lock
HALF_LOCKED2 &runtime->buffer_mutex
HALF_LOCKED2 &service->bulk_mutex
HALF_LOCKED2 _T->lock
HALF_LOCKED2 flags
HALF_LOCKED2 global &page_offline_rwsem
HALF_LOCKED2 global &pcpu_alloc_mutex
HALF_LOCKED2 global &report_lock
HALF_LOCKED2 sk

mm/debug_vm_pgtable.c p4d_clear_tests() -> p4d_none()

Type Parameter Key Value
DATA_SOURCE 0 p4d r p4dp_get
PREEMPT_ADD
LOCK2 &args.mm->page_table_lock
TYPE_LOCK (struct mm_struct)->page_table_lock

mm/debug_vm_pgtable.c p4d_clear_tests() -> p4d_none()

Type Parameter Key Value
DATA_SOURCE 0 p4d r p4dp_get
PREEMPT_ADD
LOCK2 &args.mm->page_table_lock
TYPE_LOCK (struct mm_struct)->page_table_lock

mm/debug_vm_pgtable.c pud_alloc() -> p4d_none()

Type Parameter Key Value

mm/khugepaged.c pud_alloc() -> p4d_none()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock

mm/kasan/shadow.c shadow_mapped() -> p4d_none()

Type Parameter Key Value

arch/x86/xen/mmu_pv.c xen_cleanmfnmap() -> p4d_none()

Type Parameter Key Value
LOCK2 irq

arch/x86/xen/mmu_pv.c xen_p4d_walk() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 irq
HALF_LOCKED2 &mm->page_table_lock

mm/sparse-vmemmap.c vmemmap_p4d_populate() -> p4d_none()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq