On Wed, Jul 31, 2013 at 11:45:09AM -0400, Don Morris wrote:
> > +
> > +static void task_numa_free(struct task_struct *p)
> > +{
> > + kfree(p->numa_faults);
> > + if (p->numa_group) {
> > + struct numa_group *grp = p->numa_group;
>
> See below.
>
> > + int i;
> > +
> > +
On 07/31/2013 11:07 AM, Peter Zijlstra wrote:
>
> New version that includes a final put for the numa_group struct and a
> few other modifications.
>
> The new task_numa_free() completely blows though, far too expensive.
> Good ideas needed.
>
> ---
> Subject: sched, numa: Use {cpu, pid} to creat
On Wed, Jul 31, 2013 at 05:07:51PM +0200, Peter Zijlstra wrote:
> @@ -1260,6 +1400,23 @@ void task_numa_fault(int last_cpupid, in
> }
>
> /*
> + * First accesses are treated as private, otherwise consider accesses
> + * to be private if the accessing pid has not changed
> +
New version that includes a final put for the numa_group struct and a
few other modifications.
The new task_numa_free() completely blows though, far too expensive.
Good ideas needed.
---
Subject: sched, numa: Use {cpu, pid} to create task groups for shared faults
From: Peter Zijlstra
Date: Tue
Subject: sched, numa: Use {cpu, pid} to create task groups for shared faults
From: Peter Zijlstra
Date: Tue Jul 30 10:40:20 CEST 2013
A very simple/straight forward shared fault task grouping
implementation.
Concerns are that grouping on a single shared fault might be too
aggressive -- this onl
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