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x86: print per_cpu data address

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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>
This commit is contained in:
Yinghai Lu 2008-07-29 00:37:10 -07:00 committed by Ingo Molnar
parent e0a5a5d9b0
commit a677f58a8c
1 changed files with 8 additions and 1 deletions
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9
arch/x86/kernel/setup_percpu.c
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@ -180,9 +180,16 @@ void __init setup_per_cpu_areas(void)
printk(KERN_INFO printk(KERN_INFO
"cpu %d has no node %d or node-local memory\n", "cpu %d has no node %d or node-local memory\n",
cpu, node); 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); 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 #endif
per_cpu_offset(cpu) = ptr - __per_cpu_start; per_cpu_offset(cpu) = ptr - __per_cpu_start;
memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);