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Subject2.4.9-ac9 modversion problem
Greetings,

I am attempting to compile a kernel module under linux-2.4.9-ac9. This
code was last known to work under linux-2.4.2. The kernel module in
question part of the PVFS package available from
ftp://ftp.parl.clemson.edu/pub/pvfs. I am using the egcs-2.91.66 that
comes with redhat 7.1. My kernel is compiled with modversions enabled.

The compilation problem I'm seeing follows:

kgcc -O2 -Wall -Wstrict-prototypes -DMODULE -D__KERNEL__ -DLINUX
-I. -Ipvfs-includes -I../pvfs/include -c ./pvfs_mod.c -o pvfs_mod.o
/usr/include/linux/dcache.h: In function `dget':
In file included from /usr/include/linux/fs.h:19,
from /usr/include/linux/capability.h:17,
from /usr/include/linux/binfmts.h:5,
from /usr/include/linux/sched.h:9,
from /usr/include/linux/mm.h:4,
from pvfs_linux.h:39,
from ./pvfs_mod.c:26:
/usr/include/linux/dcache.h:247: warning: implicit declaration of function
`do_BUG_Rsmp_577f4bff'
/usr/include/asm/pgalloc.h: In function `get_pgd_fast':
In file included from /usr/include/linux/highmem.h:5,
from /usr/include/linux/pagemap.h:16,
from pvfs_linux.h:50,
from ./pvfs_mod.c:26:
/usr/include/asm/pgalloc.h:74: `cpu_data_Rsmp_5fa2f521' undeclared (first
use in this function)
/usr/include/asm/pgalloc.h:74: (Each undeclared identifier is reported
only once
/usr/include/asm/pgalloc.h:74: for each function it appears in.)
/usr/include/asm/pgalloc.h: In function `free_pgd_fast':
/usr/include/asm/pgalloc.h:85: `cpu_data_Rsmp_5fa2f521' undeclared (first
use in this function)
/usr/include/asm/pgalloc.h: In function `pte_alloc_one_fast':
/usr/include/asm/pgalloc.h:117: `cpu_data_Rsmp_5fa2f521' undeclared (first
use in this function)
/usr/include/asm/pgalloc.h: In function `pte_free_fast':
/usr/include/asm/pgalloc.h:127: `cpu_data_Rsmp_5fa2f521' undeclared (first
use in this function)
make: *** [pvfs_mod.o] Error 1


I may have boiled the problem down further by showing that the above error
can be shown by trying to compile the following simple program:

#include <linux/config.h>
#include <linux/version.h>
#include <linux/module.h>
#include <linux/modversions.h>
#include <linux/pagemap.h>

main() {
printf("flaah\n");
return(0);
}

This program compiles under 2.4.2 (modversions enabled) and fails under
2.4.5++ (modversions enabled).

Any suggestions would be greatly appreciated!

Thank You,
-Dan Nurmi


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