USE_SPLIT_PMD_PTLOCKS 2002 include/linux/mm.h #if USE_SPLIT_PMD_PTLOCKS USE_SPLIT_PMD_PTLOCKS 495 include/linux/mm_types.h #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS USE_SPLIT_PMD_PTLOCKS 672 kernel/fork.c #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS USE_SPLIT_PMD_PTLOCKS 1027 kernel/fork.c #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS