Re: [PATCH v2 bpf-next 1/2] bpf: introduce BPF_F_PRESERVE_ELEMS for perf event array

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> On Sep 30, 2020, at 7:49 AM, Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote:
> 
> On 9/29/20 11:56 PM, Song Liu wrote:
> [...]
>>  +static void bpf_fd_array_map_clear(struct bpf_map *map);
>> +
>> +static void perf_event_fd_array_map_free(struct bpf_map *map)
>> +{
>> +	if (map->map_flags & BPF_F_PRESERVE_ELEMS)
>> +		bpf_fd_array_map_clear(map);
>> +	fd_array_map_free(map);
>> +}
> 
> Not quite sure why you place that here and added the fwd declaration? If you
> place perf_event_fd_array_map_free() near perf_event_array_map_ops, then you
> also don't need the additional bpf_fd_array_map_clear declaration.

Yeah.. I misread the line number...

Fixing it in v3.

Thanks,
Song






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