Re: [PATCH v11 1/9] mm: allow multiple error returns in try_grab_page()

Chaitanya Kulkarni
2022-10-25T01:07:03Z

On 10/21/22 10:41, Logan Gunthorpe wrote:
> In order to add checks for P2PDMA memory into try_grab_page(), expand
> the error return from a bool to an int/error code. Update all the
> callsites handle change in usage.
>
> Also remove the WARN_ON_ONCE() call at the callsites seeing there
> already is a WARN_ON_ONCE() inside the function if it fails.
>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>

-ck