2 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index f2b4abbca55e..617615fa11ce 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -29,7 +29,7 @@ enum migrate_reason {
 };
 
 /* In mm/debug.c; also keep sync with include/trace/events/migrate.h */
-extern char *migrate_reason_names[MR_TYPES];
+extern const char *migrate_reason_names[MR_TYPES];
 
 static inline struct page *new_page_nodemask(struct page *page,
                                 int preferred_nid, nodemask_t *nodemask)
diff --git a/mm/debug.c b/mm/debug.c
index 72daa4b087ba..0abb987dad9b 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -17,7 +17,7 @@
 
 #include "internal.h"
 
-char *migrate_reason_names[MR_TYPES] = {
+const char *migrate_reason_names[MR_TYPES] = {
         "compaction",
         "memory_failure",
         "memory_hotplug",