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@xxxxxxxxxxxx> Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> -ck