x86: overmapped fix when 4K pages on tail, 64-bit
fix phys_pmd_init to make sure not to return bigger value than end. also print out range split:1G/2M/4K in init_memory_mapping(). Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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