Commit 2a3c4bce authored by Miaohe Lin's avatar Miaohe Lin Committed by Matthew Wilcox (Oracle)
Browse files

mm/damon: minor cleanup for damon_pa_young 



if need_lock is true but folio_trylock fails, we should return false
instead of NULL to match the return value type exactly. No functional
change intended.

Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
parent 72e72588

mm/damon/paddr.c

+1 −1
Original line number Diff line number Diff line
@@ -152,7 +152,7 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz) 
	need_lock = !folio_test_anon(folio) || folio_test_ksm(folio);

	if (need_lock && !folio_trylock(folio)) {

		folio_put(folio);

		return NULL;

		return false;

	}



	rmap_walk(folio, &rwc);