On Tue, Jan 11, 2022 at 01:41:22AM -0700, Yu Zhao wrote:
> On Tue, Jan 04, 2022 at 01:30:00PM -0700, Yu Zhao wrote:
> > On Tue, Jan 04, 2022 at 01:22:19PM -0700, Yu Zhao wrote:
> > > TLDR
> > > ====
> > > The current page reclaim is too expensive in terms of CPU usage and it
> > > often makes poor choices about what to evict. This patchset offers an
> > > alternative solution that is performant, versatile and
> > > straightforward.
> >
> > <snipped>
> >
> > > Summery
> > > =======
> > > The facts are:
> > > 1. The independent lab results and the real-world applications
> > > indicate substantial improvements; there are no known regressions.
> > > 2. Thrashing prevention, working set estimation and proactive reclaim
> > > work out of the box; there are no equivalent solutions.
> > > 3. There is a lot of new code; nobody has demonstrated smaller changes
> > > with similar effects.
> > >
> > > Our options, accordingly, are:
> > > 1. Given the amount of evidence, the reported improvements will likely
> > > materialize for a wide range of workloads.
> > > 2. Gauging the interest from the past discussions [14][15][16], the
> > > new features will likely be put to use for both personal computers
> > > and data centers.
> > > 3. Based on Google's track record, the new code will likely be well
> > > maintained in the long term. It'd be more difficult if not
> > > impossible to achieve similar effects on top of the existing
> > > design.
> >
> > Hi Andrew, Linus,
> >
> > Can you please take a look at this patchset and let me know if it's
> > 5.17 material?
> >
> > My goal is to get it merged asap so that users can reap the benefits
> > and I can push the sequels. Please examine the data provided -- I
> > think the unprecedented coverage and the magnitude of the improvements
> > warrant a green light.
My gratitude to Donald who has been helping test MGLRU since v2:
Donald Carr (d@xxxxxxxxxxxxxxx)
Founder of Chaos Reins (http://chaos-reins.com), an SF based
consultancy company specializing in designing/creating embedded
Linux appliances.
Can you please provide your Tested-by tags? This will ensure the credit
for your contributions.
Thanks!
