Corpus for migrate_pages:

Coverage	Program
754	migrate_pages
714	syz_init_net_socket$bt_sco-dup2-ioctl$FIONREAD-migrate_pages
581	migrate_pages
461	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-migrate_pages
145	perf_event_open-migrate_pages
110	getpid-migrate_pages
99	migrate_pages
66	migrate_pages
45	migrate_pages