From: Peter Zijlstra <peterz@infradead.org>
To: riel@redhat.com
Cc: linux-kernel@vger.kernel.org, mgorman@suse.de,
chegu_vinod@hp.com, mingo@kernel.org, efault@gmx.de,
vincent.guittot@linaro.org
Subject: Re: [PATCH RFC 3/5] sched,numa: preparations for complex topology placement
Date: Sun, 12 Oct 2014 16:37:35 +0200 [thread overview]
Message-ID: <20141012143735.GG3015@worktop> (raw)
In-Reply-To: <1412797050-8903-4-git-send-email-riel@redhat.com>
On Wed, Oct 08, 2014 at 03:37:28PM -0400, riel@redhat.com wrote:
> From: Rik van Riel <riel@redhat.com>
>
> Preparatory patch for adding NUMA placement on systems with
> complex NUMA topology. Also fix a potential divide by zero
> in group_weight()
>
> Signed-off-by: Rik van Riel <riel@redhat.com>
> ---
> include/linux/topology.h | 1 +
> kernel/sched/core.c | 2 +-
> kernel/sched/fair.c | 57 +++++++++++++++++++++++++++++++-----------------
> 3 files changed, 39 insertions(+), 21 deletions(-)
>
> diff --git a/include/linux/topology.h b/include/linux/topology.h
> index bf40d46..f8dfad9 100644
> --- a/include/linux/topology.h
> +++ b/include/linux/topology.h
> @@ -47,6 +47,7 @@
> if (nr_cpus_node(node))
>
> int arch_update_cpu_topology(void);
> +extern int sched_domains_numa_levels;
> extern int node_hops(int i, int j);
>
I'm not sure we want to share this globally, please consider using
kernel/sched/sched.h
next prev parent reply other threads:[~2014-10-12 14:37 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-08 19:37 [PATCH RFC 0/5] sched,numa: task placement with complex NUMA topologies riel
2014-10-08 19:37 ` [PATCH RFC 1/5] sched,numa: build table of node hop distance riel
2014-10-12 13:17 ` Peter Zijlstra
2014-10-12 13:28 ` Rik van Riel
2014-10-14 6:47 ` Peter Zijlstra
2014-10-14 7:49 ` Rik van Riel
2014-10-08 19:37 ` [PATCH RFC 2/5] sched,numa: classify the NUMA topology of a system riel
2014-10-12 14:30 ` Peter Zijlstra
2014-10-13 7:12 ` Rik van Riel
2014-10-08 19:37 ` [PATCH RFC 3/5] sched,numa: preparations for complex topology placement riel
2014-10-12 14:37 ` Peter Zijlstra [this message]
2014-10-13 7:12 ` Rik van Riel
2014-10-08 19:37 ` [PATCH RFC 4/5] sched,numa: calculate node scores in complex NUMA topologies riel
2014-10-12 14:53 ` Peter Zijlstra
2014-10-13 7:15 ` Rik van Riel
2014-10-08 19:37 ` [PATCH RFC 5/5] sched,numa: find the preferred nid with complex NUMA topology riel
2014-10-12 14:56 ` Peter Zijlstra
2014-10-13 7:17 ` Rik van Riel
[not found] ` <4168C988EBDF2141B4E0B6475B6A73D126F58E4F@G6W2504.americas.hpqcorp.net>
[not found] ` <54367446.3020603@redhat.com>
2014-10-10 18:44 ` [PATCH RFC 0/5] sched,numa: task placement with complex NUMA topologies Vinod, Chegu
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