This patch implements support NUMA-aware DAMON modules by adding kernel
module parameters. With this patch, DAMON_RECLAIM and DAMON_LRU_SORT can
use this feature.
Signed-off-by: Jonghyeon Kim <tome01@xxxxxxxxxx>
---
mm/damon/lru_sort.c | 1 +
mm/damon/modules-common.h | 4 +++-
mm/damon/reclaim.c | 1 +
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c
index 3de2916a6..3e25a52de 100644
--- a/mm/damon/lru_sort.c
+++ b/mm/damon/lru_sort.c
@@ -81,6 +81,7 @@ static struct damos_watermarks damon_lru_sort_wmarks = {
.high = 200, /* 20 percent */
.mid = 150, /* 15 percent */
.low = 50, /* 5 percent */
+ .target_nid = NUMA_NO_NODE,
};
DEFINE_DAMON_MODULES_WMARKS_PARAMS(damon_lru_sort_wmarks);
diff --git a/mm/damon/modules-common.h b/mm/damon/modules-common.h
index f49cdb417..b167bb24a 100644
--- a/mm/damon/modules-common.h
+++ b/mm/damon/modules-common.h
@@ -27,11 +27,13 @@
module_param_named(quota_sz, quota.sz, ulong, 0600);
#define DEFINE_DAMON_MODULES_WMARKS_PARAMS(wmarks) \
+ module_param_named(metric, wmarks.metric, uint, 0600); \
module_param_named(wmarks_interval, wmarks.interval, ulong, \
0600); \
module_param_named(wmarks_high, wmarks.high, ulong, 0600); \
module_param_named(wmarks_mid, wmarks.mid, ulong, 0600); \
- module_param_named(wmarks_low, wmarks.low, ulong, 0600);
+ module_param_named(wmarks_low, wmarks.low, ulong, 0600); \
+ module_param_named(target_nid, wmarks.target_nid, int, 0600);
#define DEFINE_DAMON_MODULES_DAMOS_STATS_PARAMS(stat, try_name, \
succ_name, qt_exceed_name) \
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index 66e190f03..31b8830a8 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -68,6 +68,7 @@ static struct damos_watermarks damon_reclaim_wmarks = {
.high = 500, /* 50 percent */
.mid = 400, /* 40 percent */
.low = 200, /* 20 percent */
+ .target_nid = NUMA_NO_NODE,
};
DEFINE_DAMON_MODULES_WMARKS_PARAMS(damon_reclaim_wmarks);
--
2.34.1
