Messages in this thread | | | Date | Mon, 1 Nov 2010 17:49:53 +0800 | Subject | Re: How many params can be accept by kernel module at most? | From | tingwei liu <> |
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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。
2010/11/1 tingwei liu <tingw.liu@gmail.com>: > What's the meaning of dynamically and statically? > You response help me much. Thank you > > 2010/11/1 Américo Wang <xiyou.wangcong@gmail.com>: >> On Mon, Nov 01, 2010 at 02:17:23PM +0800, tingwei liu wrote: >>>How many params can be accept by kernel module at most? >> >> If you mean dynamically, these parameters are passed as a whole to kernel, >> from the source code, you can see the max length is ~0UL>>1. >> >> If you mean statically, IOW, the max paramenters you can provide in your module, >> this is limited by ELF section size. >> >> Hope this helps. >> > -- 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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