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-rw-r--r--include/linux/damon.h2
-rw-r--r--mm/damon/paddr.c3
-rw-r--r--mm/damon/sysfs-schemes.c1
3 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 3db4f77261f5..47e36e6ea203 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -334,6 +334,7 @@ struct damos_stat {
/**
* enum damos_filter_type - Type of memory for &struct damos_filter
* @DAMOS_FILTER_TYPE_ANON: Anonymous pages.
+ * @DAMOS_FILTER_TYPE_ACTIVE: Active pages.
* @DAMOS_FILTER_TYPE_MEMCG: Specific memcg's pages.
* @DAMOS_FILTER_TYPE_YOUNG: Recently accessed pages.
* @DAMOS_FILTER_TYPE_HUGEPAGE_SIZE: Page is part of a hugepage.
@@ -355,6 +356,7 @@ struct damos_stat {
*/
enum damos_filter_type {
DAMOS_FILTER_TYPE_ANON,
+ DAMOS_FILTER_TYPE_ACTIVE,
DAMOS_FILTER_TYPE_MEMCG,
DAMOS_FILTER_TYPE_YOUNG,
DAMOS_FILTER_TYPE_HUGEPAGE_SIZE,
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index b08847ef9b81..1b70d3f36046 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -217,6 +217,9 @@ static bool damos_pa_filter_match(struct damos_filter *filter,
case DAMOS_FILTER_TYPE_ANON:
matched = folio_test_anon(folio);
break;
+ case DAMOS_FILTER_TYPE_ACTIVE:
+ matched = folio_test_active(folio);
+ break;
case DAMOS_FILTER_TYPE_MEMCG:
rcu_read_lock();
memcg = folio_memcg_check(folio);
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 5023f2b690d6..23b562df0839 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -344,6 +344,7 @@ static struct damon_sysfs_scheme_filter *damon_sysfs_scheme_filter_alloc(
/* Should match with enum damos_filter_type */
static const char * const damon_sysfs_scheme_filter_type_strs[] = {
"anon",
+ "active",
"memcg",
"young",
"hugepage_size",