damon_pa_mark_accessed_or_deactivate() is accessing a folio via
folio_nr_pages() after folio_put() for the folio has invoked. Fix it.
Fixes: f70da5ee8fe1 ("mm/damon: convert damon_pa_mark_accessed_or_deactivate() to use folios")
Cc: <stable@xxxxxxxxxxxxxxx> # 6.3.x
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
mm/damon/paddr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 10f159b315ea..0db724aec5cb 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -277,8 +277,8 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate(
folio_mark_accessed(folio);
else
folio_deactivate(folio);
- folio_put(folio);
applied += folio_nr_pages(folio);
+ folio_put(folio);
}
return applied * PAGE_SIZE;
}
--
2.25.1
