I don't export them no, because they are kernel functions (defined in <linux/syscalls.h>) They are showing up in the symbol table though: [lnookx@bloopy module]# cat /proc/kallsyms | grep shmat c04a1679 T do_shmat c04a18f5 T sys_shmat c04a7d0f t dummy_shm_shmat On 1/22/07, Dinesh <dbhat@xxxxxxxxx> wrote:
Did you make sure you are exporting the symbols properly in the code? Dinesh lee nookx wrote: > Hi all, > > I am trying to write a kernel module that shares some data with a > userland process using shared memory. > > The kernel module compiles with some warnings: > > WARNING: "sys_shmat" > [/home/lnookx/shared_memory_tests/module/shmem_server_module.ko] > undefined! > WARNING: "sys_shmget" > [/home/lnookx/shared_memory_tests/module/shmem_server_module.ko] > undefined! > > and when I try to load the kernel module I get: > > insmod: error inserting './shmem_server_module.ko': -1 Unknown symbol in > module > > and in dmesg I see: > > shmem_server_module: Unknown symbol sys_shmat > shmem_server_module: Unknown symbol sys_shmget > > > Has anyone else seen these errors, and knows how to correct them? > > > > Thanks, > > > lee > > -- > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ >
-- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
