Re: [PATCH v2 6/6] mm: page_mkclean, ttu: handle pinned pages

On 07/02/2018 03:15 AM, Jan Kara wrote: > On Sun 01-07-18 17:56:54, john.hubb...@gmail.com wrote: >> diff --git a/mm/memory-failure.c b/mm/memory-failure.c >> index 9d142b9b86dc..c4bc8d216746 100644 >> --- a/mm/memory-failure.c >> +++ b/mm/memory-failure.c >> @@ -931,6 +931,7 @@ static bool hwpoiso

Re: [PATCH v2 6/6] mm: page_mkclean, ttu: handle pinned pages

On Sun 01-07-18 17:56:54, john.hubb...@gmail.com wrote: > diff --git a/mm/memory-failure.c b/mm/memory-failure.c > index 9d142b9b86dc..c4bc8d216746 100644 > --- a/mm/memory-failure.c > +++ b/mm/memory-failure.c > @@ -931,6 +931,7 @@ static bool hwpoison_user_mappings(struct page *p, > unsigned lon

[PATCH v2 6/6] mm: page_mkclean, ttu: handle pinned pages

From: John Hubbard Update page_mkclean(), page_mkclean's callers, and try_to_unmap(), so that there is a choice: in some cases, skipped dma-pinned pages. In other cases (sync_mode == WB_SYNC_ALL), wait for those pages to become unpinned. This fixes some problems that came up when using devices