On 12/18/19 8:19 AM, Kirill A. Shutemov wrote:
...
diff --git a/mm/gup.c b/mm/gup.c
index 3ecce297a47f..c0c56888e7cc 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -29,6 +29,13 @@ struct follow_page_context {
unsigned int page_mask;
};
+static __always_inline long __gup_longterm_locked(stru
On Mon, Dec 16, 2019 at 02:25:18PM -0800, John Hubbard wrote:
> As it says in the updated comment in gup.c: current FOLL_LONGTERM
> behavior is incompatible with FAULT_FLAG_ALLOW_RETRY because of the
> FS DAX check requirement on vmas.
>
> However, the corresponding restriction in get_user_pages_r
As it says in the updated comment in gup.c: current FOLL_LONGTERM
behavior is incompatible with FAULT_FLAG_ALLOW_RETRY because of the
FS DAX check requirement on vmas.
However, the corresponding restriction in get_user_pages_remote() was
slightly stricter than is actually required: it forbade all
