percpu: print out alloc information with KERN_DEBUG instead of KERN_INFO

Now that percpu allocator is mostly stable, there is no reason to
print alloc information with KERN_INFO and clutter the boot messages.
Switch it to KERN_DEBUG.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Travis <travis@sgi.com>
diff --git a/mm/percpu.c b/mm/percpu.c
index efe8168..02ba912 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1268,7 +1268,7 @@
 
 	/* we're done parsing the input, undefine BUG macro and dump config */
 #undef PCPU_SETUP_BUG_ON
-	pcpu_dump_alloc_info(KERN_INFO, ai);
+	pcpu_dump_alloc_info(KERN_DEBUG, ai);
 
 	pcpu_nr_groups = ai->nr_groups;
 	pcpu_group_offsets = group_offsets;