Re: [PATCH V2,0/2]mm: madvise: return correct bytes processed with process_madvise

[Charan Teja Kalla]

Thanks Andrew!!

On 3/12/2022 3:12 AM, Andrew Morton wrote:
>> With the process_madvise(), always choose to return non zero processed
>> bytes over an error. This can help the user to know on which VMA, passed
>> in the 'struct iovec' vector list, is failed to advise thus can take the
>> decission of retrying/skipping on that VMA.
> Thanks, this is not good.
> 
> We should have added userspace tests for process_madvise() along with
> the syscall itself.  But evidently that was omitted.  If someone
> decides to contribute such tests, hopefully they will include checks
> for these return values.

We are happy to contribute here.

>