H_PTE_FRAG_SIZE_SHIFT   55 arch/powerpc/include/asm/book3s/64/hash-4k.h #define H_PTE_FRAG_NR	(PAGE_SIZE >> H_PTE_FRAG_SIZE_SHIFT)
H_PTE_FRAG_SIZE_SHIFT   60 arch/powerpc/include/asm/book3s/64/hash-64k.h #define H_PTE_FRAG_NR	(PAGE_SIZE >> H_PTE_FRAG_SIZE_SHIFT)
H_PTE_FRAG_SIZE_SHIFT 1006 arch/powerpc/mm/book3s64/hash_utils.c 	__pte_frag_size_shift = H_PTE_FRAG_SIZE_SHIFT;