create symblic link from newly-added-node to its cpus.
Ideally, node should be onlined before cpu-hot-add. But it cannot be
always achieved (at node-hot-add.)
This patch registers cpus to its node when the node is registered.
Signed-Off-By: KAMEZAWA Hiroyuki <[email protected]>
drivers/base/node.c | 7 +++++++
1 files changed, 7 insertions(+)
Index: linux-2.6.17-rc4-mm3/drivers/base/node.c
===================================================================
--- linux-2.6.17-rc4-mm3.orig/drivers/base/node.c 2006-05-23 19:21:26.000000000 +0900
+++ linux-2.6.17-rc4-mm3/drivers/base/node.c 2006-05-23 19:27:27.000000000 +0900
@@ -227,6 +227,7 @@
int register_one_node(int nid)
{
int error = 0;
+ int cpu;
if (node_online(nid)) {
int p_node = parent_node(nid);
@@ -236,6 +237,12 @@
parent = &node_devices[p_node];
error = register_node(&node_devices[nid], nid, parent);
+
+ /* link cpu under this node */
+ for_each_present_cpu(cpu) {
+ if (cpu_to_node(cpu) == nid)
+ register_cpu_under_node(cpu, nid);
+ }
}
return error;
-
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