mm/khugepaged: convert release_pte_pages() to use folios

Converts release_pte_pages() to use folios instead of pages.

Link: https://lkml.kernel.org/r/20230114001556.43795-2-vishal.moola@gmail.com


Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>