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>

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index 65b3eac8856c..e8d25e784214 100644
--- 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()