On Fri, Oct 21, 2022 at 11:41:08AM -0600, 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> Looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>