> > Just to make sure I have this correct, an application can call brk
> > to allocate memory from its heap space for upto 1GB, after which
> > it has to switch to using mmap for the rest. Is this 1GB fixed or
> > will it ever change? (if it does, it might break my application).
>
> IMHO malloc() should switch to mmap() for the rest :)
that would be great. but as far as I can tell, there's no good reason
for our mmaped reasons to start at 1G and grow up. it would be a lot nicer
to start right below the stack and grown down. (stacks are normally already
limited to an inconsequential few MB..)
regards, mark hahn.
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