On Wed, 8 Dec 2010 16:22:30 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> > > +struct kswapd {
> > > + struct task_struct *kswapd_task;
> > > + wait_queue_head_t kswapd_wait;
> > > + struct mem_cgroup *kswapd_mem;
> > > + pg_data_t *kswapd_pgdat;
> > > +};
> > > +
> > > +#define MAX_KSWAPDS MAX_NUMNODES
> > > +extern struct kswapd kswapds[MAX_KSWAPDS];
> >
> > This is potentially very large for a static structure. Can they not be
> > dynamically allocated and kept on a list? Yes, there will be a list walk
> > involved if yonu need a particular structure but that looks like it's a
> > rare operation at this point.
>
> Why can't we use normal workqueue mechanism?
>
Sounds much simpler than self management of threads.
My only concern is cpu-time-stealing by background works but ....
Thanks,
-Kame
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