hash = jhash(name, name_len, 0);
head = &callsite_table[hash & (CALLSITE_TABLE_SIZE - 1)];
e = zmalloc(sizeof(struct callsite_entry));
hash = jhash(name, name_len, 0);
head = &callsite_table[hash & (CALLSITE_TABLE_SIZE - 1)];
e = zmalloc(sizeof(struct callsite_entry));