From c999fbd3dcc6535b1e298b016665ec23ac2b0a9a Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 28 Dec 2018 00:35:55 -0800 Subject: [PATCH] mm/mmzone.c: make "migratetype_names" const char * Those strings are immutable in fact. Link: http://lkml.kernel.org/r/20181124090327.GA10877@avx2 Signed-off-by: Alexey Dobriyan Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/mmzone.h | 2 +- mm/page_alloc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 5b4bfb90fb94..e0c3bc2edbbd 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -65,7 +65,7 @@ enum migratetype { }; /* In mm/page_alloc.c; keep in sync also with show_migration_types() there */ -extern char * const migratetype_names[MIGRATE_TYPES]; +extern const char * const migratetype_names[MIGRATE_TYPES]; #ifdef CONFIG_CMA # define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 80373eca453d..4115d7f20223 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -236,7 +236,7 @@ static char * const zone_names[MAX_NR_ZONES] = { #endif }; -char * const migratetype_names[MIGRATE_TYPES] = { +const char * const migratetype_names[MIGRATE_TYPES] = { "Unmovable", "Movable", "Reclaimable", -- 2.25.1