The patch titled
Subject: mm/debug: sync up latest migrate_reason to migrate_reason_names
has been added to the -mm tree. Its filename is
mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names.patch
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------------------------------------------------------
From: Weizhao Ouyang <o451686892@xxxxxxxxx>
Subject: 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/20210921064553.293905-3-o451686892@xxxxxxxxx
Fixes: 26aa2d199d6f ("mm/migrate: demote pages during reclaim")
Signed-off-by: Weizhao Ouyang <o451686892@xxxxxxxxx>
Reviewed-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Mina Almasry <almasrymina@xxxxxxxxxx>
Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Wei Xu <weixugc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/migrate.h | 6 +++++-
mm/debug.c | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
--- a/include/linux/migrate.h~mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names
+++ a/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
--- a/mm/debug.c~mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names
+++ a/mm/debug.c
@@ -26,6 +26,7 @@ const char *migrate_reason_names[MR_TYPE
"numa_misplaced",
"contig_range",
"longterm_pin",
+ "demotion",
};
const struct trace_print_flags pageflag_names[] = {
_
Patches currently in -mm which might be from o451686892@xxxxxxxxx are
mm-debug-sync-up-mr_contig_range-and-mr_longterm_pin.patch
mm-debug-sync-up-latest-migrate_reason-to-migrate_reason_names.patch
