[PATCH] mm/damon/paddr: set DAMOS_LRU_[DE]PRIO stat in core address unit

From: SeongJae Park
Date: Thu Aug 14 2025 - 00:26:48 EST


Operations layer should set DAMOS stat in core layer address unit, but
paddr is returning that for LRU_[DE]PRIO in paddr address unit. Fix it.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
mm/damon/paddr.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 6263dd58a2e7..ed71dd0bf80e 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -198,8 +198,7 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate(
struct damos *s, bool mark_accessed,
unsigned long *sz_filter_passed)
{
- phys_addr_t addr;
- unsigned long applied = 0;
+ phys_addr_t addr, applied = 0;
struct folio *folio;

addr = damon_pa_phys_addr(r->ar.start, addr_unit);
@@ -213,7 +212,7 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate(
if (damos_pa_filter_out(s, folio))
goto put_folio;
else
- *sz_filter_passed += folio_size(folio);
+ *sz_filter_passed += folio_size(folio) / addr_unit;

if (mark_accessed)
folio_mark_accessed(folio);
@@ -225,7 +224,7 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate(
folio_put(folio);
}
s->last_applied = folio;
- return applied * PAGE_SIZE;
+ return applied * PAGE_SIZE / addr_unit;
}

static unsigned long damon_pa_mark_accessed(struct damon_region *r,
--
2.39.5