DEFINE_PMD_LOAD_HOLE_EVENT  102 include/trace/events/fs_dax.h DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole);
DEFINE_PMD_LOAD_HOLE_EVENT  103 include/trace/events/fs_dax.h DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole_fallback);