diff mbox series

[v3,3/3] mm/damon/paddr: fix missing folio_sz update in damon_pa_young()

Message ID 20230308083311.120951-4-wangkefeng.wang@huawei.com (mailing list archive)
State New
Headers show
Series mm/damon/paddr: minor code improvement | expand

Commit Message

Kefeng Wang March 8, 2023, 8:33 a.m. UTC 
The *folio_sz in damon_pa_young() will be used(as last_folio_sz) by
__damon_pa_check_access(), so it's need to be updated, fix missing
branch.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/damon/paddr.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index b22f6fbb5816..467b99166b43 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -134,10 +134,8 @@  static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz)
 	}
 
 	need_lock = !folio_test_anon(folio) || folio_test_ksm(folio);
-	if (need_lock && !folio_trylock(folio)) {
-		folio_put(folio);
-		return false;
-	}
+	if (need_lock && !folio_trylock(folio))
+		goto out;
 
 	rmap_walk(folio, &rwc);