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. >
