linux-kernel - [PATCH] CPUs on memoryless nodes not being reassigned

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Message-Id: <1206535469.7468.9.camel@localhost.localdomain>
Date:	Wed, 26 Mar 2008 08:44:28 -0400
From:	Daniel Yeisley <dan.yeisley@...sys.com>
To:	linux-kernel@...r.kernel.org
Cc:	ak@...e.de
Subject: [PATCH] CPUs on memoryless nodes not being reassigned

When I boot with memoryless nodes on the latest 2.6.25-rc kernels, the
CPUs aren't being reassigned to nodes with memory.  

Signed-off-by: Dan Yeisley <dan.yeisley@...sys.com>

---
diff -Nuar linux-2.6.25-rc6/arch/x86/kernel/setup_64.c linux-2.6.25-rc6-new/arch/x86/kernel/setup_64.c
--- linux-2.6.25-rc6/arch/x86/kernel/setup_64.c	2008-03-16 19:32:14.000000000 -0400
+++ linux-2.6.25-rc6-new/arch/x86/kernel/setup_64.c	2008-03-25 09:52:15.000000000 -0400
@@ -801,7 +801,7 @@
 	/* Don't do the funky fallback heuristics the AMD version employs
 	   for now. */
 	node = apicid_to_node[apicid];
-	if (node == NUMA_NO_NODE)
+	if (node == NUMA_NO_NODE || !node_online(node))
 		node = first_node(node_online_map);
 	numa_set_node(cpu, node);
 

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