Re: Re: Re: what`s wrong?

Re: Re: Re: what`s wrong?

[Huo Zhigang]

  I am very sorry to ask such a stupid question. I think I have to work harder 8-)
  Thank you all, especially Matti Aarnio, Mike Galbraith, Joe Thornber.
  Now, I began to treat the kernel as an ordinary, but much more complex, C program.  :)


>On Thu, Apr 25, 2002 at 05:12:21PM +0800, Huo Zhigang wrote:
>....
>> >The entire kernel stack is only 8kB in size.  You have already killed
>>   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> >a bunch of random memory by allocating this much memory on the stack.
>> >You allocated 4*8192 = 32kB on the stack here.
>>   
>>    Sure, the kernel stack is 8192 Bytes, but "err_frame[]" is a local 
>>    variable. Does the kernel allocate memory for "err_frame[]" from the 
>>    stack?? 
>
>   It is not about how KERNEL does it, but how C (programming language)
>   does it.  If you don't know C's memory management things regarding
>   various classes of variables, I suggest you pick some good reference
>   book and study it asap.
>
>>    Here, I think, err_frame[] as a function parameter  will take 8K in 
>>    the kernel stack.  Am I correct?
>