MADV_SOFT_OFFLINE  900 mm/madvise.c   		if (behavior == MADV_SOFT_OFFLINE) {
MADV_SOFT_OFFLINE  982 mm/madvise.c   	case MADV_SOFT_OFFLINE:
MADV_SOFT_OFFLINE 1085 mm/madvise.c   	if (behavior == MADV_HWPOISON || behavior == MADV_SOFT_OFFLINE)