[LIP] Unresolved errors while building UML kernel

Hi All.
 
I am new to UML world and facing problem while
building UML kernel. Lots of unresolved errors are
coming and they are as follows :

 vmlinux.o(.text+0x1517c4): In function
 `fn_hash_delete":
 : undefined reference to `fn_key_eq"
 vmlinux.o(.text+0x1519e6): In function
 `fn_hash_flush":
 : undefined reference to `fn_flush_list"
 vmlinux.o(.text+0x15d126): In function
 `tcp_exp_matches_pkt":
 : undefined reference to `between"
 vmlinux.o(.text+0x15f235): In function `sack_adjust":
 : undefined reference to `after"
 vmlinux.o(.text+0x15f2af): In function `sack_adjust":
 : undefined reference to `after"
 vmlinux.o(.text+0x15f3e7): In function
 `ip_nat_seq_adjust":
 : undefined reference to `after"
 vmlinux.o(.text+0x15f465): In function
 `ip_nat_seq_adjust":
 : undefined reference to `after"
 vmlinux.o(.text+0x15fcab): In function
 `ip_nat_resize_packet":
 : undefined reference to `before"
 vmlinux.o(.text+0x160eb3): In function
 `ip_rule_match":
 : undefined reference to `port_match"
 vmlinux.o(.text+0x160eee): In function
 `ip_rule_match":
 : undefined reference to `port_match"
 vmlinux.o(.text+0x163cdd): In function
 `unix_sock_destructor":
 : undefined reference to `unix_release_addr"
 vmlinux.o(.text+0x16472b): In function `unix_bind":
 : undefined reference to `unix_release_addr"
 
I could see these symbols in vmlinux object file using
nm command but donot know from where the defination
will be provided for these unresolved symbols.

The details are as follows:
 
1. Host Kernel : 2.4.20-6 [ default kernel with Red
 Hat 8.0]. My host kernel is not vanilla kernel and I
 have not applied SKAS patch to it as being novice, i
 wish to understand tt mode first.
 
2. UML Kernel : Guest kernel is 2.4.20 [vanilla kernel
 downloaded from kernel.org] and uml patch which I
have
 used is uml-patch-2.4.20-4.bz2.
 
3. GCC version is as follows : gcc-3.2.2-5 

Please guide over this.
 
Thanks & Regards
Dinesh

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