> From: "Chris G. Demetriou" <cgd@pa.dec.com>
 > Date: Tue, 15 Jul 97 11:01:38 -0700
 > On Tue, 15 Jul 1997 16:52:15 +0300 
 >  Jukka Marin <jmarin@pyy.jmp.fi> wrote:
 > 
 > >  > BTW, does our libc use mmap() and munmap() when malloc() is called?
 > >  > Or is it the X server which calls these routines?
 > > 
 > > The X server; our malloc() doesn't use mmap(2).
 > 
 > The X server is linked with GNU malloc.

nm says that gnu malloc uses sbrk(), not mmap().  The mmap() calls
must be from the X server itself, or some other library.