Documentation: cgroup-v2: add memory.stat::sock description

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index 65b3eac8856cf7ec26b341b217046a2fb9b7bf26..e8d25e78421454635236295d0d63ad76fd604af4 100644 (file)
--- a/Documentation/cgroup-v2.txt
+++ b/Documentation/cgroup-v2.txt
@@ -843,6 +843,10 @@ PAGE_SIZE multiple when read back.
                Amount of memory used to cache filesystem data,
                including tmpfs and shared memory.
 
+         sock
+
+               Amount of memory used in network transmission buffers
+
          file_mapped
 
                Amount of cached filesystem data mapped with mmap()