diff options
author | Mike Yuan <[email protected]> | 2024-08-23 16:27:11 +0000 |
---|---|---|
committer | Andrew Morton <[email protected]> | 2024-09-03 21:15:48 -0700 |
commit | 5a53623d0fe658b1b8699632ac8ed7dd0d9b2e97 (patch) | |
tree | 03a507d2c1d86cf538e6fac598f5c3a144ceb2cb | |
parent | fd06ce2ce4c1f93e3d5d7d2640672ccb1a94cce3 (diff) |
Documentation/cgroup-v2: clarify that zswap.writeback is ignored if zswap is disabled
As discussed in [1], zswap-related settings natually lose their effect
when zswap is disabled, specifically zswap.writeback here. Be explicit
about this behavior.
[1] https://lore.kernel.org/linux-kernel/CAKEwX=Mhbwhh-=xxCU-RjMXS_n=RpV3Gtznb2m_3JgL+jzz++g@mail.gmail.com/
[[email protected]: fix/simplify text]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Mike Yuan <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Michal Koutný <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Nhat Pham <[email protected]>
Cc: Roman Gushchin <[email protected]>
Cc: Shakeel Butt <[email protected]>
Cc: Yosry Ahmed <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
-rw-r--r-- | Documentation/admin-guide/cgroup-v2.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index d3344218010c..3dad62b1e11c 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1755,6 +1755,8 @@ The following nested keys are defined. Note that this is subtly different from setting memory.swap.max to 0, as it still allows for pages to be written to the zswap pool. + This setting has no effect if zswap is disabled, and swapping + is allowed unless memory.swap.max is set to 0. memory.pressure A read-only nested-keyed file. |