host_getmem
trampcode = host_getmem(LOADER_PAGE_SIZE);
trampcode = host_getmem(LOADER_PAGE_SIZE);
PT4 = (pml4_entry_t *)host_getmem(9 * LOADER_PAGE_SIZE);
heapbase = host_getmem(heapsize);
loaded_segments[nkexec_segments].buf = host_getmem(sz);