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#virtual-memory

3 posts

Haiku OSDeep Dive October 3, 2026 7 min read

Haiku Memory Areas: Shared Mappings, Protection, and Lifetime

Use Haiku areas for large or shared memory with explicit page sizing, clone ownership, protection, locking, and process-lifetime rules.

#haiku#kernel-api#virtual-memory

Tech HistoryDeep Dive October 3, 2026 7 min read

VAX-11/780: Extending the PDP-11 into a 32-Bit Virtual Address Machine

How DEC's VAX-11/780 combined PDP-11 compatibility with a larger virtual address architecture, a new processor implementation, and VMS.

#vax-11-780#dec#virtual-memory

WindowsDeep Dive October 3, 2026 7 min read

Windows VirtualAlloc: Reserve, Commit, Decommit, and Release Correctly

Understand Windows virtual-address reservation, commit charge, page faults, protection changes, and VirtualFree release rules before diagnosing memory growth.

#windows#win32#memory-management