Also,
>> +struct pids_cgroup {
>> + struct cgroup_subsys_state css;
>> +
>> + /*
>> + * Use 64-bit types so that we can safely represent "max" as
>> + * (PID_MAX_LIMIT + 1).
> ^^^^^^^^^^^^^^^^^
> ...
>> +static struct cgroup_subsys_state *
>> +pids_css_alloc(struct cgroup_subsys_state *parent)
>> +{
>> + struct pids_cgroup *pids;
>> +
>> + pids = kzalloc(sizeof(struct pids_cgroup), GFP_KERNEL);
>> + if (!pids)
>> + return ERR_PTR(-ENOMEM);
>> +
>> + pids->limit = PIDS_MAX;
> ^^^^^^^^^
%PIDS_MAX = (%PID_MAX_LIMIT + 1). I can clarify this in the comments
if you want.
--
Aleksa Sarai (cyphar)
www.cyphar.com
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