origref           865 uvm/uvm_amap.c amap_splitref(struct vm_aref *origref, struct vm_aref *splitref, vaddr_t offset)
origref           877 uvm/uvm_amap.c 	if (origref->ar_amap->am_nslot - origref->ar_pageoff - leftslots <= 0)
origref           884 uvm/uvm_amap.c 	if (origref->ar_amap->am_ppref == NULL)
origref           885 uvm/uvm_amap.c 		amap_pp_establish(origref->ar_amap);
origref           888 uvm/uvm_amap.c 	splitref->ar_amap = origref->ar_amap;
origref           890 uvm/uvm_amap.c 	splitref->ar_pageoff = origref->ar_pageoff + leftslots;