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Commit a677f58a authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

x86: print per_cpu data address 



to make sure per_cpu data on correct node.

Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e0a5a5d9

arch/x86/kernel/setup_percpu.c

+8 −1
Original line number Diff line number Diff line
@@ -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);