mm/huge_memory: page_add_anon_rmap() -> folio_add_anon_rmap_pmd()

Let's convert remove_migration_pmd().  No need to set RMAP_COMPOUND, that
we will remove soon.

Link: https://lkml.kernel.org/r/20231220224504.646757-17-david@redhat.comSigned-off-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/huge_memory.c

@@ -3611,12 +3611,12 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
 		pmde = pmd_mkdirty(pmde);
 
 	if (folio_test_anon(folio)) {
-		rmap_t rmap_flags = RMAP_COMPOUND;
+		rmap_t rmap_flags = RMAP_NONE;
 
 		if (!is_readable_migration_entry(entry))
 			rmap_flags |= RMAP_EXCLUSIVE;
 
-		page_add_anon_rmap(new, vma, haddr, rmap_flags);
+		folio_add_anon_rmap_pmd(folio, new, vma, haddr, rmap_flags);
 	} else {
 		folio_add_file_rmap_pmd(folio, new, vma);
 	}