USE_SPLIT_PMD_PTLOCKS 1544 include/linux/mm.h #if USE_SPLIT_PMD_PTLOCKS USE_SPLIT_PMD_PTLOCKS 145 include/linux/mm_types.h #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && USE_SPLIT_PMD_PTLOCKS USE_SPLIT_PMD_PTLOCKS 428 include/linux/mm_types.h #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS