mm: use folio_xchg_last_cpupid() in wp_page_reuse()

Convert to use folio_xchg_last_cpupid() in wp_page_reuse(), and remove
page variable. Since now only normal and PMD-mapped page is handled by
numa balancing, it's enough to only update the entire folio's last cpupid.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Huang Ying <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Juri Lelli <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Vincent Guittot <[email protected]>
Cc: Zi Yan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions