Re: [PATCH 19/32] sched.h: Add rg_list and rdtgroup in task_struct

From: Nilay Vaish
Date: Thu Jul 28 2016 - 01:54:14 EST


On 12 July 2016 at 20:02, Fenghua Yu <fenghua.yu@xxxxxxxxx> wrote:
> From: Fenghua Yu <fenghua.yu@xxxxxxxxx>
>
> rg_list is linked list to connect to other tasks in a rdtgroup.
>
> The point of rdtgroup allows the task to access its own rdtgroup directly.
>
> Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
> ---
> include/linux/sched.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 253538f..55adf17 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1761,6 +1761,10 @@ struct task_struct {
> /* cg_list protected by css_set_lock and tsk->alloc_lock */
> struct list_head cg_list;
> #endif
> +#ifdef CONFIG_INTEL_RDT
> + struct list_head rg_list;
> + struct rdtgroup *rdtgroup;
> +#endif
> #ifdef CONFIG_FUTEX
> struct robust_list_head __user *robust_list;
> #ifdef CONFIG_COMPAT
> --
> 2.5.0
>

I think this patch should be merged with patch 22/32 since struct
rdtgroup 's definition appears in the patch 22/32. I do not recall
seeing any forward declaration either.

--
Nilay