Messages in this thread | | | Date | Mon, 1 Nov 2010 21:42:39 +0800 | Subject | Re: How many params can be accept by kernel module at most? | From | tingwei liu <> |
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2010/11/1 Américo Wang <xiyou.wangcong@gmail.com>: > On Mon, Nov 01, 2010 at 05:49:53PM +0800, tingwei liu wrote: >>The params are transferred by command line. And the params are all in >>program statically. So the stack size determine the params number. For >>example: stack size is 4K,and params are unsigned int type with 4 >>bytes,so the max number of params is 1 thousand。 >> > > Please don't top-reply. > > That is not true, the parameters are passed via 'uargs' of init_module() > dynamically, this is when you invoke modprobe/insmod. > > For your own kernel module, you may use module_param() to provide > parameters, the max of this is limited to the size of ELF section size, > since they are stored in "__param" section. >
I really use module_param() to provide parameters. How much of the ELF section size? How can I find the document of the ELF. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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