On Mon, Jun 14, 2021 at 11:12:09AM +0900, Naoya Horiguchi wrote: > +++ v5.13-rc5_patched/include/ras/ras_event.h > @@ -357,6 +357,7 @@ TRACE_EVENT(aer_event, > EM ( MF_MSG_KERNEL, "reserved kernel page" ) \ > EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" ) \ > EM ( MF_MSG_SLAB, "kernel slab page" ) \ > + EM ( MF_MSG_PAGETABLE, "page table page page" ) \ Did you intend to double the word "page"? > +++ v5.13-rc5_patched/mm/memory-failure.c > @@ -708,6 +708,7 @@ static const char * const action_page_types[] = { > [MF_MSG_KERNEL] = "reserved kernel page", > [MF_MSG_KERNEL_HIGH_ORDER] = "high-order kernel page", > [MF_MSG_SLAB] = "kernel slab page", > + [MF_MSG_PAGETABLE] = "page table page", ... you didn't here.