On Mon, 2006-01-16 at 12:25 -0700, Jim Cromie wrote:
> folks,
>
> after hacking up a simple/tiny module, I was stunned at its size,
> so I cut it down to essentially nothing ..
>
> /* empty module - to find module size cost. */
> #include <linux/config.h>
> #include <linux/init.h>
> #include <linux/module.h>
> #include <linux/moduleparam.h>
> #include <asm/io.h>
> #include <asm/semaphore.h>
>
> int nada_init_module(void) {
> return 0;
> }
> void nada_cleanup_module(void) {
> printk(KERN_NOTICE "nada_cleanup_module\n");
> }
>
>
> -rw-rw-r-- 1 jimc jimc 582 Jan 16 11:18 nada.c
> -rw-rw-r-- 1 jimc jimc 54271 Jan 16 11:19 nada.ko
> -rw-rw-r-- 1 jimc jimc 632 Jan 16 11:19 nada.mod.c
> -rw-rw-r-- 1 jimc jimc 29688 Jan 16 11:19 nada.mod.o
> -rw-rw-r-- 1 jimc jimc 25568 Jan 16 11:18 nada.o
>
> that seems like a lot of .o and .ko for a do-nothing module.
sounds like you have the debug info generation enabled. Don't do that
while you want to look at sizes ...
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