diff mbox series

[v2,3/3] mm: memcg: add reminder comment for the memcg v2 events

Message ID 20231110082045.19407-4-ddrokosov@salutedevices.com (mailing list archive)
State New
Headers show
Series samples: introduce cgroup events listeners | expand

Commit Message

Dmitry Rokosov Nov. 10, 2023, 8:20 a.m. UTC 
To maintain the correct state, it is important to ensure that events for
the memory cgroup v2 are aligned with the sample cgroup codes.

Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
---
 mm/memcontrol.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e8ca4bdcb03c..d088b63740c2 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6555,6 +6555,10 @@  static ssize_t memory_max_write(struct kernfs_open_file *of,
 	return nbytes;
 }
 
+/*
+ * Note: don't forget to update the 'samples/cgroup/cgroup_v2_event_listener'
+ * if any new events become available.
+ */
 static void __memory_events_show(struct seq_file *m, atomic_long_t *events)
 {
 	seq_printf(m, "low %lu\n", atomic_long_read(&events[MEMCG_LOW]));