Paging of Kernel Memory

Christopher Harvey chris at
Tue Sep 6 10:38:26 EDT 2011

On Tue, 6 Sep 2011 17:48:12 +0530, Vijay Chauhan wrote:
> Hi,
> i was going through the Linux Kernel Development book. It mention the
> following:
> "Additionally, kernel memory is not pageable.Therefore, every byte of
> memory you consume is one less byte of available physical memory."
> What is the meaning of 'Kernel memory is not pageable'? Anyone can
> give details would help me in understanding.
> Thanks,
> Vijay
It means that it can't be swapped to your swap partition, even if 
you're not using it.

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