The patch titled
Subject: mm/migrate: add MR_DAMON to migrate_reason
has been added to the -mm mm-unstable branch. Its filename is
mm-migrate-add-mr_damon-to-migrate_reason.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-migrate-add-mr_damon-to-migrate_reason.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Honggyu Kim <honggyu.kim@xxxxxx>
Subject: mm/migrate: add MR_DAMON to migrate_reason
Date: Fri, 14 Jun 2024 12:00:06 +0900
The current patch series introduces DAMON based migration across NUMA
nodes so it'd be better to have a new migrate_reason in trace events.
Link: https://lkml.kernel.org/r/20240614030010.751-5-honggyu.kim@xxxxxx
Signed-off-by: Honggyu Kim <honggyu.kim@xxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Gregory Price <gregory.price@xxxxxxxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Hyeongtak Ji <hyeongtak.ji@xxxxxx>
Cc: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Cc: Rakie Kim <rakie.kim@xxxxxx>
Cc: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/migrate_mode.h | 1 +
include/trace/events/migrate.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
--- a/include/linux/migrate_mode.h~mm-migrate-add-mr_damon-to-migrate_reason
+++ a/include/linux/migrate_mode.h
@@ -24,6 +24,7 @@ enum migrate_reason {
MR_CONTIG_RANGE,
MR_LONGTERM_PIN,
MR_DEMOTION,
+ MR_DAMON,
MR_TYPES
};
--- a/include/trace/events/migrate.h~mm-migrate-add-mr_damon-to-migrate_reason
+++ a/include/trace/events/migrate.h
@@ -22,7 +22,8 @@
EM( MR_NUMA_MISPLACED, "numa_misplaced") \
EM( MR_CONTIG_RANGE, "contig_range") \
EM( MR_LONGTERM_PIN, "longterm_pin") \
- EMe(MR_DEMOTION, "demotion")
+ EM( MR_DEMOTION, "demotion") \
+ EMe(MR_DAMON, "damon")
/*
* First define the enums in the above macros to be exported to userspace
_
Patches currently in -mm which might be from honggyu.kim@xxxxxx are
mm-make-alloc_demote_folio-externally-invokable-for-migration.patch
mm-rename-alloc_demote_folio-to-alloc_migrate_folio.patch
mm-migrate-add-mr_damon-to-migrate_reason.patch
mm-damon-paddr-introduce-damos_migrate_cold-action-for-demotion.patch
docs-damon-document-damos_migrate_hotcold.patch
