cs: warning: no high memory space available!

[marvin stodolsky <stodolsk@erols.com>]

During boot of a Dell Inspiron 3000 laptop with a 2.0.36 kernel, the
warning (indicated by <<<< below) is recorded by dmesg.  While there are
no manifest performance defects, I'd like to understand it.

---------------------------------------------
Linux PCMCIA Card Services 3.0.5
  kernel build: 2.0.35 #1 Wed Nov 11 00:04:34 EST 1998
  options:  [pci] [apm]
Intel PCIC probe: 
  TI 1131 CardBus at mem 0x68000000, 2 sockets
    host opts [0]: [pci + serial irq] [no pci irq] [lat 168/176] [bus
32/34]
    host opts [1]: [pci + serial irq] [no pci irq] [lat 168/176] [bus
35/37]
    ISA irqs (scanned) = 9,11 polled status, interval = 1000 ms
cs: IO port probe 0x0100-0x03ff: excluding 0x170-0x177 0x220-0x22f
0x370-0x377 0x388-0x38f
cs: IO port probe 0x0a00-0x0aff: clean.
cs: warning: no high memory space available!    
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
cs: memory probe 0x0d0000-0x0dffff: clean.
eth0: 3Com 3c562, port 0x300, irq 9, Auto port, hw_addr
00:60:97:F8:8B:52
tty00 at 0x03f8 (irq = 9) is a 16550A
---------------------------------------------------

Grepping the source code displays:

stodolsk:/usr/src/modules/pcmcia-cs# grep  "cs: warning" */*
grep: clients/patches: Is a directory
grep: etc/cis: Is a directory
grep: include/linux: Is a directory
grep: include/pcmcia: Is a directory
modules/rsrc_mgr.c:     printk(KERN_NOTICE "cs: warning: no high memory
space "
stodolsk:/usr/src/modules/pcmcia-cs# 

Any interpretations?  Please respond to   stodolsk@erols.com   in
addition to debian-user.

MarvS
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