Andres Freund <andres@anarazel.de> writes:
> ISTM that we could move the call to InitDeadLockChecking() to the start of
> CheckDeadLock(), before it acquires all the locks. That'd require making it
> safe to call InitDeadLockChecking() multiple times, but that's obviously
> trivial.
Hmph. Do we even need that to be persistent storage at all, rather
than just allocating it for the duration of CheckDeadLock?
regards, tom lane