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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 <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-12-28 00:35:55 -08:00 committed by Linus Torvalds
parent 1c30844d2d
commit c999fbd3dc
2 changed files with 2 additions and 2 deletions
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2
include/linux/mmzone.h
View File

@ -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)

2
mm/page_alloc.c
View File

@ -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",