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author | Bagas Sanjaya <bagasdotme@gmail.com> | 2023-01-05 16:16:32 +0300 |
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committer | Tejun Heo <tj@kernel.org> | 2023-01-05 20:38:10 +0300 |
commit | 5fa16afc4b5ab0f030fe9732bac431557112b0c6 (patch) | |
tree | f9e1966f6497bbce00c484250e8ea7b803316858 /Documentation/admin-guide | |
parent | b9d2a17b3290e251748c6a9f6d2b0a440401096c (diff) | |
download | linux-5fa16afc4b5ab0f030fe9732bac431557112b0c6.tar.xz |
docs: cgroup-v1: make swap extension subsections subsections
Subsections text of swap extension section is marked up as bold text,
whereas making them proper subsection is more appropriate.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r-- | Documentation/admin-guide/cgroup-v1/memory.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst index 162cc26dcddb..0e583a6f7839 100644 --- a/Documentation/admin-guide/cgroup-v1/memory.rst +++ b/Documentation/admin-guide/cgroup-v1/memory.rst @@ -244,7 +244,8 @@ In this case, setting memsw.limit_in_bytes=3G will prevent bad use of swap. By using the memsw limit, you can avoid system OOM which can be caused by swap shortage. -**why 'memory+swap' rather than swap** +2.4.1 why 'memory+swap' rather than swap +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The global LRU(kswapd) can swap out arbitrary pages. Swap-out means to move account from memory to swap...there is no change in usage of @@ -252,7 +253,8 @@ memory+swap. In other words, when we want to limit the usage of swap without affecting global LRU, memory+swap limit is better than just limiting swap from an OS point of view. -**What happens when a cgroup hits memory.memsw.limit_in_bytes** +2.4.2. What happens when a cgroup hits memory.memsw.limit_in_bytes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ When a cgroup hits memory.memsw.limit_in_bytes, it's useless to do swap-out in this cgroup. Then, swap-out will not be done by cgroup routine and file |