Re: your mail

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 2 Oct 2001 16:30:05 +0100 (BST)

> I have written a linux kernel module. The linux version is 2.2.14.
> In this module I have declared an array of size 2048. If I use this array, the execution of this module function causes kernel to reboot. If I kmalloc() this array then execution of this module function doesnot cause any problem.
> Can you explain this behaviour?

Yes

--
Alan


[Oh wait you want to know why...]


Either


1.	You are using it for DMA
2.	You are putting it on the stack and causing a stack overflow


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