[lkml]   [2008]   [Nov]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] restore sched_exec load balance heuristics
Ken Chen wrote:

> There are two callers to sched_balance_self(). In the sched_fork
> path, sched_balance_self will balance the newly forked task. I think
> it is OK to bounce a newly forked task to another CPU since current
> CPU will be busy when fork returns in the parent process.

What about vfork()?

> And if sched_balance_self() needs to different between fork / exec
> load balance, it has to check a flag from function argument, which I
> think it is better to just short circuit in sched_exec() directly.

From a cleanliness perspective, it make more sense to me for the
decision as to whether or not to balance to be done in the "balance"
function, not the "exec" function.


 \ /
  Last update: 2008-11-06 21:53    [W:0.883 / U:0.040 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site