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SubjectRe: [PATCH 1/1] mm: introduce process_reap system call
On Mon 05-07-21 09:41:54, David Hildenbrand wrote:
> On 02.07.21 17:27, Christian Brauner wrote:
[...]
> > That one was my favorite from the list I gave too but maybe we can
> > satisfy Andy too if we use one of:
> > - process_mfree()
> > - process_mrelease()
> >
>
> FWIW, I tend to like process_mrelease(), due to the implied "release" ("free
> the memory if there are no other references") semantics.

Agreed.

> Further, a new
> syscall feels cleaner than some magic sysfs/procfs toggle. Just my 2 cents.

Yeah, proc based interface is both tricky to use and kinda ugly now that
pidfd can solve all at in once.

My original preference was a more generic kill syscall to allow flags
but a dedicated syscall doesn't look really bad either.
--
Michal Hocko
SUSE Labs

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