Messages in this thread | | | Date | Mon, 1 Nov 2010 17:54:52 +0800 | Subject | Re: How many params can be accept by kernel module at most? | From | tingwei liu <> |
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My description is correct or not ?
2010/11/1 tingwei liu <tingw.liu@gmail.com>: > 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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