damon_pa_mark_accessed_or_deactivate() is accessing a folio via
folio_nr_pages() after folio_put() for the folio has invoked.  Fix it.

Link: https://lkml.kernel.org/r/20230304193949.296391-3-sj@kernel.org
Fixes: f70da5ee ("mm/damon: convert damon_pa_mark_accessed_or_deactivate() to use folios")
Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>