Re: mm: use down_read_killable for locking mmap_sem in access_remote_vm

[Michal Koutný]

Hi,
making this holder of mmap_sem killable was for the reasons of /proc/...
diagnostics was an idea I was pondeering too. However, I think the
approach of pretending we read 0 bytes is not correct. The API would IMO
need to be extended to allow pass a result such as EINTR to the end
caller.
Why do you think it's safe to return just 0?

Michal

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