mm-swap-allow-cache-reclaim-to-skip-slot-cache-fix

mm-swap-allow-cache-reclaim-to-skip-slot-cache-fix

small folios should have nr_pages == 1 but not nr_page == 0

Link: https://lkml.kernel.org/r/20240805015324.45134-1-21cnbao@gmail.com
Signed-off-by: Barry Song <21cnbao@gmail.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>