On Wed, 20 Nov 2019 23:13:39 -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
On 11/21/19 1:35 PM, Alex Williamson wrote:
On Wed, 20 Nov 2019 23:13:39 -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
On 11/21/19 12:10 AM, Christoph Hellwig wrote:
Should this be two patches, one for th core infrastructure and one for
the user? These changes also look like another candidate to pre-load.
OK, I'll split them up.
thanks,
--
John Hubbard
NVIDIA
Should this be two patches, one for th core infrastructure and one for
the user? These changes also look like another candidate to pre-load.
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
