Commit 70307b0e authored by Kefeng Wang's avatar Kefeng Wang Committed by Andrew Morton
Browse files

mm/damon/paddr: fix missing folio_sz update in damon_pa_young() 

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.

Link: https://lkml.kernel.org/r/20230308083311.120951-4-wangkefeng.wang@huawei.com


Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent b6993be2

mm/damon/paddr.c

+2 −4
Original line number Diff line number Diff line
@@ -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);