o the stack could grow without moving memory data (this is
important because of pointers). Thus we can allocate 1M address space, and use
only a single memory page (usually 4K) if that is enough. However, we can still
grow up to 1M anytime if needed.
</P>
<P>
(3) Who "owns" a JIT stack?
<br>
<br>
The owner of the stack is the user program, not the JIT studied pattern or
anything else. The user program must ensure that if a stack is used by
<b>pcre_exec()</b>, (that is, it is assigned to the pattern currentl