[Click] Kernel Module limitations

[Beyers Cronje]

Good day everyone,

I have a couple of kernel module questions that hopefully someone can shed  some light on (I have very limited experience on kernel programming):
Whats the maximum number of key/value pairs for a BigHashMap in the kernel module is? 
What limitations are there on linked lists/hashmaps inside the kernel module?
Are there limitations on the size of structures inside a kernel module element? (I seem to recall something that Eddie said in a previous mail that the kernel does not like struct sizes over 1024, but I cant seem to find this post.)
Any other kernel module limitations I should be aware of that you know about?

Thanks in advance for any info provided.

Kind regards

Beyers Cronje

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