PAE support for kernel 2.4.21

Hello, 

I am trying to use LKCD and lcrash on 2.4.21 kernel.
I specified HIGHMEM64=ON on .config and compiled it, but
error message was given. So I changed

1)include/asm/smp.h
　unsigned long cpu_online_map; 
　　→ CHANGED TO - volatile unsigned long cpu_online_map;　　

2)arch/i386/kernel/i386_ksysms.c
  #ifdef CONFIG_HIGHMEM
  EXPORT_SYMBOL(kmap_prot)
  EXPORT_SYSMBOL (kmap_pte)
  #endif
   → COMMENTED OUT these two sysmbol

After this, when I tried to use lcrash to the dump
gotton by this kernel,
following message was flashed.

   Loading ksyms from dump ...
     kl_page_i386.c:114:kl_map_virtop_i386(): vaddr: d088e000
     kl_page_i386.c:117:kl_map_virtop_i386(): pgd_base: c0101000
     kl_page_i386.c:61:_kl_pgd_offset_i386(): pgd_off: d08
     kl_page_i386.c:119:kl_mmap_virtop_i386(): pmd_base: 0
     kl_page_i386.c:215:kl_virtop_i386(): invalid pgd entry for vaddr=d088e000
   Failed
 
   invalid address mapping

When I tried it to /dev/mem (lcrash live), I got same error message.
Is there any patch to fix this? (in the sourceforge?). 
Does someone have experience to use LKCD on PAE(64G) system?

Thank you , beforehand.

Regards,
Hiroshi Nakano 


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