getting eth1: Memory squeeze, dropping packet message

[cranium2003]

Hello,
       While transmitting packets through linux Router
host from one network to another Redhat linux 9 kernel
2.4.20-8 caught kernel oops following there are 2
statements which are
__alloc_pages: 0 order allocation failed (gfp =
0x20/1)
eth1: Memory squeeze, dropping packet
What this means? where is the wrong thing in kenrel?
How to solve this problem?
regards,
cranium.

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