lkml.org 
[lkml]   [2014]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] virtio_balloon: Convert "vballon" kthread into a workqueue
Hello, Michael, Petr.

On Wed, Nov 12, 2014 at 03:32:04PM +0200, Michael S. Tsirkin wrote:
> > + /* The workqueue servicing the balloon. */
> > + struct workqueue_struct *wq;
> > + struct work_struct wq_work;
>
> We could use system_freezable_wq instead.
> I do agree a dedicated wq is better since this can get blocked
> for a long time while allocating memory.
> However, please add a comment to this effect.

system_freezable_wq should be fine. Workqueues by default have a
pretty high maximum concurrency level (256). There's no reason to
create separate workqueues solely for that purpose.

Thanks.

--
tejun


\
 
 \ /
  Last update: 2014-11-14 15:01    [W:0.042 / U:0.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site