PH>
  > So if Borland's Runtime Heap Manager
  > doesn't properly keep track of it's objects, it trashes the
  > system page table.
PH>

  Unlikely.  Borland C++'s RTL allocates address space for its heap in
  blocks of 4Mb, and suballocates (calling DosSetMem to commit the actual
  pages) from those blocks as required.

  I'd have used "fill up", rather than "trash", by the
way.  A user-level
  program will have a hard job "trashing" (i.e. corrupting) the system
  page table.  A device driver could do it, but a user program doesn't
  have direct access to the kernel structures concerned.

  > JdeBP <
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