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SubjectRe: [GIT PULL] hotfixes for 6.7-rc6
On Fri, 15 Dec 2023 12:11:42 -0800 Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Fri, 15 Dec 2023 at 07:16, Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > Yu Zhao (4):
> > mm/mglru: fix underprotected page cache
> > mm/mglru: try to stop at high watermarks
> > mm/mglru: respect min_ttl_ms with memcgs
> > mm/mglru: reclaim offlined memcgs harder
>
> Entirely unrelated to this pull request (which I already pulled and
> pushed out, as noted by pr-tracker-bot), since I looked at these it
> just reminded me about a question I've had for a while...
>
> Do we have any long-term (or even short-term?) plans to just make
> mglru be the one and only model?

I hope so, but I haven't heard specific plans.

Things are still stabilizing, but it seems we're a fair way down that
exponential curve.

> Yes, right now it's not just a Kconfig choice, but a real technical
> issue too: it depends on having enough flags available, so we have
> that "cannot use it on 32-bit with sparsemem".
>
> But I'm hoping there is a plan or a workaround for that?

Hopefully Yu can talk to that.

> Because I feel like we really don't want to keep this "two different
> models" situation around forever.
>

Sure. Some diehards are still using slab :(

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