PMD_FRAG_SIZE_SHIFT - Linux

Symbol: PMD_FRAG_SIZE_SHIFT

arch/powerpc/include/asm/book3s/64/pgtable.h

#define PMD_FRAG_SIZE (1UL << PMD_FRAG_SIZE_SHIFT)

arch/powerpc/mm/book3s64/mmu_context.c

count = ((unsigned long)pmd_frag & ~PAGE_MASK) >> PMD_FRAG_SIZE_SHIFT;