Module mm

Memory map operations.

Structs

• MapFlags
  MAP_* flags for use with mmap.
• MlockAllFlags
  MCL_* flags for use with mlockall.
• MlockFlags
  MLOCK_* flags for use with mlock_with.
• MprotectFlags
  PROT_* flags for use with mprotect.
• MremapFlags
  MREMAP_* flags for use with mremap.
• MsyncFlags
  MS_* flags for use with msync.
• ProtFlags
  PROT_* flags for use with mmap.
• UserfaultfdFlags
  O_* flags for use with userfaultfd.

Enums

• Advice
  POSIX_MADV_* constants for use with madvise.

Functions

• madvise^⚠
  posix_madvise(addr, len, advice)—Declares an expected access pattern for a memory-mapped file.
• mlock^⚠
  mlock(ptr, len)—Lock memory into RAM.
• mlock_with^⚠
  mlock2(ptr, len, flags)—Lock memory into RAM, with flags.
• mlockall
  Locks all pages mapped into the address space of the calling process.
• mmap^⚠
  mmap(ptr, len, prot, flags, fd, offset)—Create a file-backed memory mapping.
• mmap_anonymous^⚠
  mmap(ptr, len, prot, MAP_ANONYMOUS | flags, -1, 0)—Create an anonymous memory mapping.
• mprotect^⚠
  mprotect(ptr, len, flags)—Change the protection flags of a region of memory.
• mremap^⚠
  mremap(old_address, old_size, new_size, flags)—Resize, modify, and/or move a memory mapping.
• mremap_fixed^⚠
  mremap(old_address, old_size, new_size, MREMAP_FIXED | flags)—Resize, modify, and/or move a memory mapping to a specific address.
• msync^⚠
  msync(addr, len, flags)—Synchronizes a memory-mapping with its backing storage.
• munlock^⚠
  munlock(ptr, len)—Unlock memory.
• munlockall
  Unlocks all pages mapped into the address space of the calling process.
• munmap^⚠
  munmap(ptr, len)—Remove a memory mapping.
• userfaultfd^⚠
  userfaultfd(flags)