Re: [PATCH] mm: meminit: Finish initialisation of struct pages before basic setup

From: Mel Gorman
Date: Thu Jun 25 2015 - 16:49:11 EST


On Wed, Jun 24, 2015 at 05:50:28PM -0500, Nathan Zimmer wrote:
> My apologies for taking so long to get back to this.
>
> I think I did locate two potential sources of slowdown.
> One is the set_cpus_allowed_ptr as I have noted previously.
> However I only notice that on the very largest boxes.
> I did cobble together a patch that seems to help.
>

If you are using kthread_create_on_node(), is it even necessary to call
set_cpus_allowed_ptr() at all?

--
Mel Gorman
SUSE Labs
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/