mm: mempolicy: use folio_alloc_mpol_noprof() in vma_alloc_folio_noprof()

Convert to use folio_alloc_mpol_noprof() to make vma_alloc_folio_noprof()
to use folio throughout.

Link: https://lkml.kernel.org/r/20240515070709.78529-3-wangkefeng.wang@huawei.comSigned-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/mempolicy.c

@@ -2305,13 +2305,12 @@ struct folio *vma_alloc_folio_noprof(gfp_t gfp, int order, struct vm_area_struct
 {
 	struct mempolicy *pol;
 	pgoff_t ilx;
-	struct page *page;
+	struct folio *folio;
 
 	pol = get_vma_policy(vma, addr, order, &ilx);
-	page = alloc_pages_mpol_noprof(gfp | __GFP_COMP, order,
-				       pol, ilx, numa_node_id());
+	folio = folio_alloc_mpol_noprof(gfp, order, pol, ilx, numa_node_id());
 	mpol_cond_put(pol);
-	return page_rmappable_folio(page);
+	return folio;
 }
 EXPORT_SYMBOL(vma_alloc_folio_noprof);