lkml.org 
[lkml]   [2002]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Re: what`s wrong?
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?

Sorry, this isn't "programming in C"-education forum..

> Thank you.

/Matti Aarnio
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:25    [W:0.024 / U:2.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site