From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 29 Jul 2008 07:37:10 +0000 (-0700)
Subject: x86: print per_cpu data address
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a677f58a8c8c541bf7d02c658545084040f3708d;p=linux-beck.git

x86: print per_cpu data address

to make sure per_cpu data on correct node.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index f7745f94c006..61f3966632a8 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -180,9 +180,16 @@ void __init setup_per_cpu_areas(void)
 			printk(KERN_INFO
 			       "cpu %d has no node %d or node-local memory\n",
 				cpu, node);
+			if (ptr)
+				printk(KERN_DEBUG "per cpu data for cpu%d at %016lx\n",
+					 cpu, __pa(ptr));
 		}
-		else
+		else {
 			ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+			if (ptr)
+				printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n",
+					 cpu, node, __pa(ptr));
+		}
 #endif
 		per_cpu_offset(cpu) = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);