1 ================= 1 =================
2 Memory Management 2 Memory Management
3 ================= 3 =================
4 4
5 Linux memory management subsystem is responsib 5 Linux memory management subsystem is responsible, as the name implies,
6 for managing the memory in the system. This in 6 for managing the memory in the system. This includes implementation of
7 virtual memory and demand paging, memory alloc 7 virtual memory and demand paging, memory allocation both for kernel
8 internal structures and user space programs, m 8 internal structures and user space programs, mapping of files into
9 processes address space and many other cool th 9 processes address space and many other cool things.
10 10
11 Linux memory management is a complex system wi 11 Linux memory management is a complex system with many configurable
12 settings. Most of these settings are available 12 settings. Most of these settings are available via ``/proc``
13 filesystem and can be queried and adjusted usi 13 filesystem and can be queried and adjusted using ``sysctl``. These APIs
14 are described in Documentation/admin-guide/sys 14 are described in Documentation/admin-guide/sysctl/vm.rst and in `man 5 proc`_.
15 15
16 .. _man 5 proc: http://man7.org/linux/man-page 16 .. _man 5 proc: http://man7.org/linux/man-pages/man5/proc.5.html
17 17
18 Linux memory management has its own jargon and 18 Linux memory management has its own jargon and if you are not yet
19 familiar with it, consider reading Documentati 19 familiar with it, consider reading Documentation/admin-guide/mm/concepts.rst.
20 20
21 Here we document in detail how to interact wit 21 Here we document in detail how to interact with various mechanisms in
22 the Linux memory management. 22 the Linux memory management.
23 23
24 .. toctree:: 24 .. toctree::
25 :maxdepth: 1 25 :maxdepth: 1
26 26
27 concepts 27 concepts
28 cma_debugfs 28 cma_debugfs
29 damon/index 29 damon/index
30 hugetlbpage 30 hugetlbpage
31 idle_page_tracking 31 idle_page_tracking
32 ksm 32 ksm
33 memory-hotplug 33 memory-hotplug
34 multigen_lru 34 multigen_lru
35 nommu-mmap 35 nommu-mmap
36 numa_memory_policy 36 numa_memory_policy
37 numaperf 37 numaperf
38 pagemap 38 pagemap
39 shrinker_debugfs 39 shrinker_debugfs
40 soft-dirty 40 soft-dirty
41 swap_numa 41 swap_numa
42 transhuge 42 transhuge
43 userfaultfd 43 userfaultfd
44 zswap 44 zswap
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