CBUF_MAPSIZE
cp->size = CBUF_MAPSIZE - ptob(baseoff);
P("Found %ldM ranges,%ld\n", (CBUF_MAPSIZE / DUMP_1MB), cfg->found4m);
datahdr.dump_maxrange = CBUF_MAPSIZE / PAGESIZE;
vmem_xfree(heap_arena, cp->buf, CBUF_MAPSIZE);
cp->size = CBUF_MAPSIZE;
cp->buf = vmem_xalloc(heap_arena, CBUF_MAPSIZE, CBUF_MAPSIZE,
new->maxvmsize = P2ROUNDUP(new->maxsize, CBUF_MAPSIZE);
CBUF_MAPSIZE, 0, 0, NULL, NULL, VM_SLEEP);
ASSERT((sz + CBUF_MAPSIZE) <= cfg->maxvmsize);
hat_devload(kas.a_hat, cfg->maxvm + sz, CBUF_MAPSIZE, pfn,
sz += CBUF_MAPSIZE;