Hi Kame

quoted text
> > +	if (pressure) {
> > +		nr_wakeup = max_t(int, atomic_read(&nr_watcher_task)>>4, 100);
> > +		atomic_long_set(&last_mem_notify, jiffies);
> > +		wake_up_locked_nr(&mem_wait, nr_wakeup);
> > +	}
> What is this for ? and Why ?
> Are there too many waiters ?

my intent is for avoid thundering herd.
100 is heuristic value.

and too many wakeup cause too much memory freed.
I don't want it.

of course, if any problem happened, I will change.
Do you dislike it?


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