Commit ced816a7 authored by Honggyu Kim's avatar Honggyu Kim Committed by Andrew Morton
Browse files

mm/migrate: add MR_DAMON to migrate_reason 

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@sk.com


Signed-off-by: default avatarHonggyu Kim <honggyu.kim@sk.com>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Signed-off-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Gregory Price <gregory.price@memverge.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Hyeongtak Ji <hyeongtak.ji@sk.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e36287c6

include/linux/migrate_mode.h

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ enum migrate_reason { 
	MR_CONTIG_RANGE,

	MR_LONGTERM_PIN,

	MR_DEMOTION,

	MR_DAMON,

	MR_TYPES

};

include/trace/events/migrate.h

+2 −1
Original line number Diff line number Diff line
@@ -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