cgroup: Add documentation for missing zswap memory.stat
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>
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 17e6e95..eaf9e66 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1572,6 +1572,15 @@
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
