From 9a2f45ff320287d49a3cd90ce68cb58a6da6f5e1 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 28 Dec 2018 00:35:59 -0800
Subject: [PATCH] mm/debug.c: make "migrate_reason_names[]" const char *
Those strings are immutable as well.
Link: http://lkml.kernel.org/r/20181124090508.GB10877@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/migrate.h | 2 +-
mm/debug.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index f2b4abbca55e7..617615fa11ce4 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 72daa4b087ba2..0abb987dad9b3 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",
--
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