On 10/12/2014 10:37 AM, Peter Zijlstra wrote:
On Wed, Oct 08, 2014 at 03:37:28PM -0400, [email protected] wrote:
From: Rik van Riel <[email protected]>
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 <[email protected]>
---
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
Good point. I will do that.
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