Module swap::userfaultfd

Provides wrapper of userfaultfd crate for vmm-swap feature.

Structs

• DeadUffdCheckerImpl
  Check whether the process for the Userfaultfd is dead or not.
• Factory
  Factory for Userfaultfd.
• Userfaultfd
  Wrapper for [userfaultfd::Uffd] to be used in the vmm-swap feature.

Enums

• Error
  Errors for Userfaultfd
• UffdEvent
  Events from the userfaultfd object that are read by Uffd::read_event().

Constants

• DEV_USERFAULTFD_PATH 🔒
• USERFAULTFD_IOC 🔒

Traits

• DeadUffdChecker
  Check whether the process for the Userfaultfd is dead or not.

Functions

• UFFDIO_API
  Generates ioctl request number.
• USERFAULTFD_IOC_NEW
  Generates ioctl request number.
• register_regions^⚠
  Register all the regions to all the userfaultfd
• unregister_regions
  Unregister all the regions from all the userfaultfd.

Type Definitions

• Result
  Result for Userfaultfd