[PATCH 3/8] SGI x86_64 UV: Limit the number of number of SRAT messages

[Mike Travis]

Limit number of SRAT messages of the form:

[    0.000000] SRAT: PXM 0 -> APIC 0 -> Node 0

Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Mike Travis <travis@xxxxxxx>
---
 arch/x86/mm/srat_64.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

--- linux.orig/arch/x86/mm/srat_64.c
+++ linux/arch/x86/mm/srat_64.c
@@ -136,8 +136,9 @@
 	apicid_to_node[apic_id] = node;
 	node_set(node, cpu_nodes_parsed);
 	acpi_numa = 1;
-	printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
-	       pxm, apic_id, node);
+	if (node < 2 || !limit_console_output(false))
+		printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
+		       pxm, apic_id, node);
 }
 
 /* Callback for Proximity Domain -> LAPIC mapping */
@@ -170,8 +171,9 @@
 	apicid_to_node[apic_id] = node;
 	node_set(node, cpu_nodes_parsed);
 	acpi_numa = 1;
-	printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
-	       pxm, apic_id, node);
+	if (node < 2 || !limit_console_output(false))
+		printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
+		       pxm, apic_id, node);
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE

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