sections: fix section conflicts in mm/percpu.c

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 2b9f82c..cc88172 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -107,7 +107,7 @@
 
 	PCPU_FC_NR,
 };
-extern const char *pcpu_fc_names[PCPU_FC_NR];
+extern const char * const pcpu_fc_names[PCPU_FC_NR];
 
 extern enum pcpu_fc pcpu_chosen_fc;
 
diff --git a/mm/percpu.c b/mm/percpu.c
index bb4be74..ddc5efb 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1370,7 +1370,7 @@
 
 #ifdef CONFIG_SMP
 
-const char *pcpu_fc_names[PCPU_FC_NR] __initdata = {
+const char * const pcpu_fc_names[PCPU_FC_NR] __initconst = {
 	[PCPU_FC_AUTO]	= "auto",
 	[PCPU_FC_EMBED]	= "embed",
 	[PCPU_FC_PAGE]	= "page",