Re: [PATCH 2/7] mm/page_alloc: Treat RT tasks similar to __GFP_HIGH

Mel Gorman
2023-01-12T17:34:59Z

On Thu, Jan 12, 2023 at 10:47:24AM +0100, Michal Hocko wrote:
> On Thu 12-01-23 09:36:23, Mel Gorman wrote:
> [...]
> > I agree with you but given the risk of bisections hitting this series,
> > would you be opposed to delaying the removal by 1 kernel release? That
> > way bisections for failures will hit 6.3 and a single commit or at least
> > just a report against 6.3. That would mitigate the risk of a full revert
> > of the series. I can add a note to the changelog mentioning the expected
> > removal so git blame will also highlight it.
>
> Sure. I will post the removal on top of your series and put myself into
> the "wait for regression chair".
>

I'm happy to sit in the same chair and send the patch. If there is an
example of an RT task actually caring about memory reserves, I'd like to
determine if it's a real problem or a badly designed RT application.

--
Mel Gorman
SUSE Labs