Re: Using large memory > 4GB in Linux Kernel

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Hi...

1.   What CONFIG parameters for kernel compilation is needed (or is
for this purpose)?
Please check Vivek's and Michael's answers ...

2.   Which are the main key functions or global variable for going
this?   The pagetable is still the same mem_map right?

You meant, how to ask for pages from highmem zone? kmalloc(GFP_HIGHUSER) is an example on how to allocate from this pool. Check http://lxr.linux.no/source/include/linux/gfp.h#L20


And BTW, Ulrich Drepper has annouced a 114 pages article on "What
Every Programmer Should Know About Memory".

http://people.redhat.com/drepper/cpumemory.pdf

Ulrich is the best! The only one I know who called Kaspersky a balooney :)

regards,

Mulyadi


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