>> @@ -4924,6 +4927,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss, bool early)
>>
>> have_fork_callback |= (bool)ss->fork << ss->id;
>> have_exit_callback |= (bool)ss->exit << ss->id;
>> + have_canfork_callback |= (bool)ss->can_fork << ss->id;
>
> Hmmm.... do we still need this mask? We're already restricting
> iteration pretty heavily.
CGROUP_CANFORK_{START,END,COUNT} aren't used to restrict the
iteration. They're used for restricting the size of the @ss_priv
array. If you want, I can use CANFORK_{START,END} to restrict the
iteration -- I just prefer using the for_each_subsys_which API for
iterating over active cgroups. :/
--
Aleksa Sarai (cyphar)
www.cyphar.com
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