RB_PAGE_HEAD
*ptr |= RB_PAGE_HEAD;
old_flag, RB_PAGE_HEAD);
val |= RB_PAGE_HEAD;
head_bit |= (unsigned long)to_remove & RB_PAGE_HEAD;
((unsigned long)head_page | RB_PAGE_HEAD);
RB_PAGE_HEAD);
case RB_PAGE_HEAD:
case RB_PAGE_HEAD:
RB_PAGE_HEAD);
if (type == RB_PAGE_HEAD) {