/proc/config.z disappeared in 2.4.24

[george young]

[SuSE x86 linux 8.2, 2.4.24 kernel building]
 
I've been upgrading from 2.4.20 (SuSE) to a fresh generic kernel from
ftp.kernel.org: 2.4.24.  In previous builds there
was a very handy virtual file /proc/config.z that allowed me to find
out exactly how the currently running kernel was configured. I could then do 

  cd /usr/src
  tar xvfz /tmp/linux-2.4.24.tz
  cd linux-2.4.24
  zcat /proc/config.z >.config
  make oldconfig  -- hit return a few dozen times
  make menuconfig -- fix a few things
  make dep && make bzImage && make modules && make modules_install
 
The /proc/config.z file seems to have disappeared! Is there some
config parameter that enables this? Or has it gone away between 2.4.20
and 2.4.24?

-- George Young
[Please cc response to gry@xxxxxxxxxx, I do not subscribe.  I'll also 
 watch the archives, of course]
-- 
"Are the gods not just?"  "Oh no, child.
What would become of us if they were?" (CSL)
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