Re: [RFC] mm: add new syscall pidfd_set_mempolicy()

Michal Hocko
2022-10-11T15:24:36Z

On Mon 10-10-22 09:22:13, Frank van der Linden wrote:
> For consistency with process_madvise(), I would suggest calling it
> process_set_mempolicy.

This operation has per-thread rather than per-process semantic so I do
not think your proposed naming is better.

> Other than that, this makes sense. To complete
> the set, perhaps a process_mbind() should be added as well. What do
> you think?

Is there any real usecase for this interface? How is the caller supposed
to make per-range decisions without a very involved coordination with
the target process?
--
Michal Hocko
SUSE Labs