Re: [LSF/MM TOPIC][LSF/MM,ATTEND] shared TLB, hugetln reservations

[Michal Hocko <mhocko@kernel.org>]

On Tue 10-01-17 15:02:22, Mike Kravetz wrote:
[...]
> proposed the topic "mm patches review bandwidth", and brought up the
> related subject of areas in need of attention from an architectural
> POV.  I suggested that hugetlb reservations was one such area.  I'm
> guessing it was introduced to solve a rather concrete problem.  However,
> over time additional hugetlb functionality was added and the
> capabilities of the reservation code was stretched to accommodate.
> It would be good to step back and take a look at the design of this
> code to determine if a rewrite/redesign is necessary.  Michal suggested
> documenting the current design/code as a first step.  If people think
> this is worth discussion at the summit, I could put together such a
> design before the gathering.

I think this would help a lot. Not many people are familiar with the
current implementation and resulting problems. A high level design
documentation can help to formulate issues easier and allow others to
comment.

Thanks!
-- 
Michal Hocko
SUSE Labs

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