From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/z3fold: use release_z3fold_page_locked() to release locked z3fold page We should use release_z3fold_page_locked() to release z3fold page when it's locked, although it looks harmless to use release_z3fold_page() now. Link: https://lkml.kernel.org/r/20210619093151.1492174-7-linmiaohe@xxxxxxxxxx Fixes: dcf5aedb24f8 ("z3fold: stricter locking and more careful reclaim") Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx> Cc: Hillf Danton <hdanton@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/z3fold.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/z3fold.c~mm-z3fold-use-release_z3fold_page_locked-to-release-locked-z3fold-page +++ a/mm/z3fold.c @@ -1370,7 +1370,7 @@ static int z3fold_reclaim_page(struct z3 if (zhdr->foreign_handles || test_and_set_bit(PAGE_CLAIMED, &page->private)) { if (kref_put(&zhdr->refcount, - release_z3fold_page)) + release_z3fold_page_locked)) atomic64_dec(&pool->pages_nr); else z3fold_page_unlock(zhdr); _