From e36287c6e12d00f2087dc0c4899d8a9c54e22e1c Mon Sep 17 00:00:00 2001 From: Hyeongtak Ji Date: Fri, 14 Jun 2024 12:00:05 +0900 Subject: mm/damon/sysfs-schemes: add target_nid on sysfs-schemes This patch adds target_nid under /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes// The 'target_nid' can be used as the destination node for DAMOS actions such as DAMOS_MIGRATE_{HOT,COLD} in the follow up patches. [sj@kernel.org: document target_nid file] Link: https://lkml.kernel.org/r/20240618213630.84846-3-sj@kernel.org Link: https://lkml.kernel.org/r/20240614030010.751-4-honggyu.kim@sk.com Signed-off-by: Hyeongtak Ji Signed-off-by: Honggyu Kim Signed-off-by: SeongJae Park Cc: Gregory Price Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Masami Hiramatsu (Google) Cc: Mathieu Desnoyers Cc: Rakie Kim Cc: Steven Rostedt (Google) Signed-off-by: Andrew Morton --- mm/damon/core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'mm/damon/core.c') diff --git a/mm/damon/core.c b/mm/damon/core.c index 6392f1cc97a3..c0ec5be4f56e 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -354,7 +354,8 @@ struct damos *damon_new_scheme(struct damos_access_pattern *pattern, enum damos_action action, unsigned long apply_interval_us, struct damos_quota *quota, - struct damos_watermarks *wmarks) + struct damos_watermarks *wmarks, + int target_nid) { struct damos *scheme; @@ -381,6 +382,8 @@ struct damos *damon_new_scheme(struct damos_access_pattern *pattern, scheme->wmarks = *wmarks; scheme->wmarks.activated = true; + scheme->target_nid = target_nid; + return scheme; } -- cgit