A large warning message is displayed if this option is enabled,
because unhashed addresses, while useful for debugging, exposes
kernel addresses which can be a security risk.
Linus has expressly said "no" to things like this in the past:Maybe I misunderstood, but I thought this is what Vlastimil, Petr, Sergey, John, and Steven asked for.
https://lore.kernel.org/lkml/CA+55aFwieC1-nAs+NFq9RTwaR8ef9hWa4MjNBWL41F-8wM49eA@xxxxxxxxxxxxxx/