Re: [PATCH bpf-next v5 31/34] bpf: eliminate rlimit-based memory accounting for bpf local storage maps

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> On Nov 13, 2020, at 11:33 AM, Roman Gushchin <guro@xxxxxx> wrote:
> 
> On Fri, Nov 13, 2020 at 10:14:48AM -0800, Song Liu wrote:
>> 
>> 
>>> On Nov 12, 2020, at 2:15 PM, Roman Gushchin <guro@xxxxxx> wrote:
>>> 
>>> Do not use rlimit-based memory accounting for bpf local storage maps.
>>> It has been replaced with the memcg-based memory accounting.
>>> 
>>> Signed-off-by: Roman Gushchin <guro@xxxxxx>
>>> ---
>>> kernel/bpf/bpf_local_storage.c | 11 -----------
>>> 1 file changed, 11 deletions(-)
>>> 
>>> diff --git a/kernel/bpf/bpf_local_storage.c b/kernel/bpf/bpf_local_storage.c
>>> index fd4f9ac1d042..3b0da5a04d55 100644
>>> --- a/kernel/bpf/bpf_local_storage.c
>>> +++ b/kernel/bpf/bpf_local_storage.c
>> 
>> Do we need to change/remove mem_charge() and mem_uncharge() in 
>> bpf_local_storage.c? I didn't find that in the set.
> 
> No, those are used for per-socket memory limits (see sk_storage_charge()
> and omem_charge()).

I see. Thanks for the explanation. 

Acked-by: Song Liu <songliubraving@xxxxxx>





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