On Thu, Oct 3, 2013 at 4:02 PM, Eric Dumazet <erdnet...@gmail.com> wrote:
> On Thu, 2013-10-03 at 15:47 -0700, Alexei Starovoitov wrote:
>> on x86 system with net.core.bpf_jit_enable = 1
>>
>
>> --- a/net/core/filter.c
>> +++ b/net/core/filter.c
>> @@ -644,7 +644,9 @@ void sk_filter_release_rcu(struct rcu_head *rcu)
>>       struct sk_filter *fp = container_of(rcu, struct sk_filter, rcu);
>>
>>       bpf_jit_free(fp);
>> +#if !defined(CONFIG_X86_64) /* x86_64 has a deferred free */
>>       kfree(fp);
>> +#endif
>
> Sorry this is not very nice.
>
> Make bpf_jit_free(fp) a bool ?  true : caller must free, false : caller
> must not free ?
>
> if (bpf_jit_free(fp))
>         kfree(fp);
>
> Or move the kfree() in bpf_jit_free()

I think it's cleaner too, just didn't want to touch all architectures.
Will do then.
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