diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index a4d0a99de04d..e1926a096818 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -1928,6 +1928,7 @@ There are some more advanced barrier functions: See Documentation/DMA-API.txt for more information on consistent memory. + MMIO WRITE BARRIER ------------------