linux-kernel - ldd module param practice

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Message-ID: <1282518018.1661.15.camel@bencharluo-laptop>
Date:	Mon, 23 Aug 2010 07:00:18 +0800
From:	runcoderen <runcoderzhcn@...il.com>
To:	Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: ldd module param practice

hi all:

#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>

MODULE_LICENSE("Dual BSD/GPL");

static char *whom = "world";
static char howmany = 1;

module_param(howmany, int, S_IRUGO);
module_param(whom, charp, S_IRUGO);

static int hello_init(void)
{
printk(KERN_ALERT "Hello, world\n");
return 0;
}

static void hello_exit(void)
{
printk(KERN_ALERT "Goodbye, cruel world\n");
}

module_init(hello_init);
module_exit(hello_exit);

insmod hellop.ko howmany=10 whom="Mom"

this code I want to printk "hello Mom" 10 times.

but it doesn't work. so I modified static int howmany = 10, it doesn't
work either.
I don't know whether it's my wronging use?

-- 

/****************************************
http://runcoderen.wordpress.com/
****************************************/

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