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cgroup: Add documentation for missing zswap memory.stat

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This includes zswpin, zswpout and zswpwb.

Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20240502185307.3942173-2-usamaarif642@gmail.com>
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Usama Arif 2024-05-02 19:50:24 +01:00 committed by Jonathan Corbet
parent d3dedad43a
commit db5b4f3253
1 changed files with 9 additions and 0 deletions
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Documentation/admin-guide/cgroup-v2.rst
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@ -1572,6 +1572,15 @@ PAGE_SIZE multiple when read back.
pglazyfreed (npn)
Amount of reclaimed lazyfree pages
zswpin
Number of pages moved in to memory from zswap.
zswpout
Number of pages moved out of memory to zswap.
zswpwb
Number of pages written from zswap to swap.
thp_fault_alloc (npn)
Number of transparent hugepages which were allocated to satisfy
a page fault. This counter is not present when CONFIG_TRANSPARENT_HUGEPAGE