mm: migrate: remove unused parameter in migrate_vma_insert_page()

"dst" parameter to migrate_vma_insert_page() is not used anymore.

Link: https://lkml.kernel.org/r/CANubcdUwCAMuUyamG2dkWP=cqSR9MAS=tHLDc95kQkqU-rEnAg@mail.gmail.com
Signed-off-by: Stephen Zhang <starzhangzsd@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/migrate.c

@@ -2894,8 +2894,7 @@ EXPORT_SYMBOL(migrate_vma_setup);
 static void migrate_vma_insert_page(struct migrate_vma *migrate,
 				    unsigned long addr,
 				    struct page *page,
-				    unsigned long *src,
-				    unsigned long *dst)
+				    unsigned long *src)
 {
 	struct vm_area_struct *vma = migrate->vma;
 	struct mm_struct *mm = vma->vm_mm;
@@ -3056,8 +3055,7 @@ void migrate_vma_pages(struct migrate_vma *migrate)
 				mmu_notifier_invalidate_range_start(&range);
 			}
 			migrate_vma_insert_page(migrate, addr, newpage,
-						&migrate->src[i],
-						&migrate->dst[i]);
+						&migrate->src[i]);
 			continue;
 		}