mm: memory: rename page_copy_prealloc() to folio_prealloc()

Let's rename page_copy_prealloc() to folio_prealloc(), which could be
reused in more functons, as it maybe zero the new page, pass a new
need_zero to it, and call the vma_alloc_zeroed_movable_folio() if
need_zero is true.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Reviewed-by: Sidhartha Kumar <[email protected]>
Reviewed-by: Vishal Moola (Oracle) <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions