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  1. Linux memory management has its own jargon and if you are not yet familiar with it, consider reading Concepts overview. Here we document in detail how to interact with various mechanisms in the Linux memory management.

  2. The memory management in Linux is a complex system that evolved over the years and included more and more functionality to support a variety of systems from MMU-less microcontrollers to supercomputers.

  3. With 56-bit addresses, user-space memory gets expanded by a factor of 512x, from 0.125 PB to 64 PB. All kernel mappings shift down to the -64 PB starting offset and many of the regions expand to support the much larger physical memory supported.

  4. Physical Memory Management ¶. Algorithms and data structure that keep track of physical memory pages. Independent of virtual memory management. Both virtual and physical memory management is required for complete memory management. Physical pages are being tracked using a special data structure: structpage.

  5. This is a collection of unsorted documents about the Linux memory management (MM) subsystem internals with different level of details ranging from notes and mailing list responses for elaborating descriptions of data structures and algorithms.

  6. 14 kwi 2023 · Allocating kernel memory is a critical task in operating system design, as the kernel needs to manage memory efficiently and effectively to ensure optimal system performance. Two common methods for allocating kernel memory are the buddy system and the slab system.

  7. Linux memory management has its own jargon and if you are not yet familiar with it, consider reading Documentation/admin-guide/mm/concepts.rst. Here we document in detail how to interact with various mechanisms in the Linux memory management.

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