lkml.org 
[lkml]   [2014]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/3] sched, balancing: Update rq->max_idle_balance_cost whenever newidle balance is attempted
On Thu, Apr 24, 2014 at 03:44:47PM +0530, Preeti U Murthy wrote:
> What about the update of next_balance field? See the code snippet below.
> This will also be skipped as a consequence of the commit e5fc6611 right?
>
> if (pulled_task || time_after(jiffies, this_rq->next_balance)) {
> /*
> * We are going idle. next_balance may be set based on
> * a busy processor. So reset next_balance.
> */
> this_rq->next_balance = next_balance;
> }
>
> Also the comment in the above snippet does not look right to me.
> It says "we are going idle" but the condition checks for pulled_task.

Yeah, that's odd indeed. Ingo did that back in dd41f596cda0d, I suspect
its an error, but..

So I think that should become !pulled_task || time_after().


\
 
 \ /
  Last update: 2014-04-26 20:41    [W:0.281 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site