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Memory Fragmentation

On some embedded systems, using a minimum of memory, fragmentation issues exist with the normal Linux buddy allocator due to the fact that it only allocates memory sized in power of 2 increments starting with one 4K page.

There is a non power of 2 allocator available for the 2.4 kernels that has not been ported to the 2.6 kernels yet.

Look at this page for a few more details memory_allocation.

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