REAL_HPAGE_SHIFT  161 arch/parisc/include/asm/page.h # define REAL_HPAGE_SHIFT	20 /* 20 = 1MB */
REAL_HPAGE_SHIFT  164 arch/parisc/include/asm/page.h # define REAL_HPAGE_SHIFT	22 /* 22 = 4MB */
REAL_HPAGE_SHIFT  167 arch/parisc/include/asm/page.h # define REAL_HPAGE_SHIFT	24 /* 24 = 16MB */
REAL_HPAGE_SHIFT   20 arch/sparc/include/asm/page_64.h #define REAL_HPAGE_SHIFT	22