lkml.org 
[lkml]   [2013]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] vmpressure: implement strict mode
On Wed, Jun 26, 2013 at 11:17:12PM -0400, Luiz Capitulino wrote:
> Currently, an eventfd is notified for the level it's registered for
> _plus_ higher levels.
>
> This is a problem if an application wants to implement different
> actions for different levels. For example, an application might want
> to release 10% of its cache on level low, 50% on medium and 100% on
> critical. To do this, an application has to register a different
> eventfd for each pressure level. However, fd low is always going to
> be notified and and all fds are going to be notified on level critical.
>
> Strict mode solves this problem by strictly notifiying an eventfd
> for the pressure level it registered for. This new mode is optional,
> by default we still notify eventfds on higher levels too.
>
> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>

If you will update this patch without major big change, you can keep
earlier Acked-by and Reviewe-by.

Thanks!



\
 
 \ /
  Last update: 2013-06-27 18:21    [W:0.127 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site