BGE_JSLOTS
for (i = 0, ptr = sc->bge_ldata.bge_jumbo_buf; i < BGE_JSLOTS; i++) {
#define BGE_RESID (BGE_JPAGESZ - (BGE_JLEN * BGE_JSLOTS) % BGE_JPAGESZ)
#define BGE_JMEM ((BGE_JLEN * BGE_JSLOTS) + BGE_RESID)
struct bge_jslot bge_jslots[BGE_JSLOTS];