SIZEOF_PTR_LOG2   167 arch/alpha/include/asm/pgtable.h #define SIZEOF_PTR_LOG2			3
SIZEOF_PTR_LOG2   123 arch/m68k/include/asm/pgtable_mm.h #define SIZEOF_PTR_LOG2			       2
SIZEOF_PTR_LOG2   211 arch/openrisc/include/asm/pgtable.h #define SIZEOF_PTR_LOG2			2