On Fri, Oct 09, 2020 at 11:09:27AM +0200, Peter Zijlstra wrote:> @@ -7046,6 +7059,10 @@ static u64 __perf_get_page_size(struct m> return 0;> }> > + page = pte_page(*pte);> + if (PageHuge(page))> + return page_size(compound_head(page));Argh, this misses pte_unmap()..> +> pte_unmap(pte);> return PAGE_SIZE;> }