Re: [PATCH v2] Add support for usbfs zerocopy.

[Oliver Neukum]

On Mon, 2016-01-11 at 11:15 -0500, Konrad Rzeszutek Wilk wrote:
> On Mon, Jan 11, 2016 at 12:08:26PM +0100, Oliver Neukum wrote:

> > I suspect many drivers to be unable to deal well with a failure.
> > Having this report makes "my device doesn't work" easier to solve
> > as a bug report.
> > 
> > Hence it seems to me that a driver which can handle a failure
> > with a good fallback should indicate this with a flag to the
> > VM layer.
> 
> s/VM/device layer?

Actually no, if a driver does something that cannot be satisfied at all,
that should be logged. What we would like to go away is the log entry
due to a failure to allocate memory under memory pressure or
fragmentation.

	Regards
		Oliver