mm/debug: sync up latest migrate_reason to migrate_reason_names
Sync up MR_DEMOTION to migrate_reason_names and add a synch prompt.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 26aa2d199d6f ("mm/migrate: demote pages during reclaim")
Signed-off-by: Weizhao Ouyang <[email protected]>
Reviewed-by: "Huang, Ying" <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: Zi Yan <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Mina Almasry <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Wei Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 3262509..c8077e9 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -19,6 +19,11 @@ struct migration_target_control;
*/
#define MIGRATEPAGE_SUCCESS 0
+/*
+ * Keep sync with:
+ * - macro MIGRATE_REASON in include/trace/events/migrate.h
+ * - migrate_reason_names[MR_TYPES] in mm/debug.c
+ */
enum migrate_reason {
MR_COMPACTION,
MR_MEMORY_FAILURE,
@@ -32,7 +37,6 @@ enum migrate_reason {
MR_TYPES
};
-/* In mm/debug.c; also keep sync with include/trace/events/migrate.h */
extern const char *migrate_reason_names[MR_TYPES];
#ifdef CONFIG_MIGRATION
diff --git a/mm/debug.c b/mm/debug.c
index e61037c..fae0f81 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -26,6 +26,7 @@ const char *migrate_reason_names[MR_TYPES] = {
"numa_misplaced",
"contig_range",
"longterm_pin",
+ "demotion",
};
const struct trace_print_flags pageflag_names[] = {
