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40 lines
1.2 KiB
40 lines
1.2 KiB
================= |
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Memory Management |
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================= |
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Linux memory management subsystem is responsible, as the name implies, |
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for managing the memory in the system. This includes implementation of |
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virtual memory and demand paging, memory allocation both for kernel |
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internal structures and user space programs, mapping of files into |
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processes address space and many other cool things. |
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Linux memory management is a complex system with many configurable |
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settings. Most of these settings are available via ``/proc`` |
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filesystem and can be quired and adjusted using ``sysctl``. These APIs |
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are described in Documentation/admin-guide/sysctl/vm.rst and in `man 5 proc`_. |
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.. _man 5 proc: http://man7.org/linux/man-pages/man5/proc.5.html |
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Linux memory management has its own jargon and if you are not yet |
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familiar with it, consider reading |
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:ref:`Documentation/admin-guide/mm/concepts.rst <mm_concepts>`. |
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Here we document in detail how to interact with various mechanisms in |
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the Linux memory management. |
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.. toctree:: |
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:maxdepth: 1 |
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concepts |
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cma_debugfs |
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hugetlbpage |
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idle_page_tracking |
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ksm |
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memory-hotplug |
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nommu-mmap |
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numa_memory_policy |
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numaperf |
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pagemap |
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soft-dirty |
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transhuge |
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userfaultfd
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