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net: Add more comments

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This adds comments to different places to improve
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Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kirill Tkhai 2018-03-27 18:02:32 +03:00 • committed by David S. Miller
parent 4420bf21fb
commit 8518e9bb98
3 changed files with 7 additions and 1 deletions
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4
include/net/net_namespace.h
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@ -323,6 +323,10 @@ struct pernet_operations {
* have to keep in mind all other pernet_operations and
* to introduce a locking, if they share common resources.
*
* The only time they are called with exclusive lock is
* from register_pernet_subsys(), unregister_pernet_subsys()
* register_pernet_device() and unregister_pernet_device().
*
* Exit methods using blocking RCU primitives, such as
* synchronize_rcu(), should be implemented via exit_batch.
* Then, destruction of a group of net requires single