HPAGE_SHIFT        44 include/asm-mn10300/page.h #define HPAGE_SHIFT	22
HPAGE_SHIFT       156 include/asm-parisc/page.h #define HPAGE_SHIFT		22	/* 4MB (is this fixed?) */
HPAGE_SHIFT        30 include/asm-x86/page.h #define HPAGE_SHIFT		PMD_SHIFT