Hi I think it also can mean that there is a 1-1 mapping in the kernel(except for high mem) as there cannot be any page-faults in the kernel. So for memory allocated in kernel, a physical memory mapping exists, thus lessening the available physical memory.
On 6 September 2011 17:48, Vijay Chauhan <[email protected]> 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 > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- ~/asd
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