bug report (complete)

[Stephen Weeks]

> With regards to changing the mmap message, note that the errno tells you exactly
> what the reason is.  We could check this, or else just use strerror, which
> is a C function which converts the errno number to a string describing it.
> I usually use something like
> 	die("mmap failed (errno %s)", strerror(errno));
> in my code.

OK.  I changed it to that.  I also changed all the other similar calls to die to
do the same thing.

> Any way, I don't think that I would advise people to increase max-heap since
> usually this will just result in VM thrashing.

OK.  We'll leave it as is for now.