>> Index: lx26-20-mm2b/kernel/pid.c
>> ===================================================================
>> --- lx26-20-mm2b.orig/kernel/pid.c 2007-03-09 15:29:21.000000000 -0800
>> +++ lx26-20-mm2b/kernel/pid.c 2007-03-09 15:29:23.000000000 -0800
>> @@ -180,8 +180,19 @@ fastcall void put_pid(struct pid *pid)
>> if (!pid)
>> return;
>> if ((atomic_read(&pid->count) == 1) ||
>> - atomic_dec_and_test(&pid->count))
>> + atomic_dec_and_test(&pid->count)) {
>> + struct pid_nr* pid_nr;
>> + struct hlist_node *pos, *next;
>> +
>> + /*
>> + * rcu is not needed anymore
>> + */
>
> rcu should never be needed...
> We should be able to get away with a definition that is immutable for the
> lifetime of a struct pid.
but struct pid requires to be rcu safe and as the new struct pid_nr is a
member of struct pid, it seems that the same rule should apply. nop ?
Cheers,
C.
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