On Wed, Apr 17, 2019 at 11:21:18AM -0700, Guenter Roeck wrote: > On Thu, Apr 11, 2019 at 02:03:26PM -0400, jgli...@redhat.com wrote: > > From: Jérôme Glisse <jgli...@redhat.com> > > > > To allow building device driver that only care about address space > > mirroring (like RDMA ODP) on platform that do not have all the pre- > > requisite for HMM device memory (like ZONE_DEVICE on ARM) split the > > HMM_MIRROR option dependency from the HMM_DEVICE dependency. > > > > Signed-off-by: Jérôme Glisse <jgli...@redhat.com> > > Cc: Leon Romanovsky <leo...@mellanox.com> > > Cc: Jason Gunthorpe <j...@mellanox.com> > > Cc: Andrew Morton <a...@linux-foundation.org> > > Cc: Ralph Campbell <rcampb...@nvidia.com> > > Cc: John Hubbard <jhubb...@nvidia.com> > > Tested-by: Leon Romanovsky <leo...@mellanox.com> > > In case it hasn't been reported already: > > mm/hmm.c: In function 'hmm_vma_handle_pmd': > mm/hmm.c:537:8: error: implicit declaration of function 'pmd_pfn'; did you > mean 'pte_pfn'?
No it is pmd_pfn > > and similar errors when building alpha:allmodconfig (and maybe others). Does HMM_MIRROR get enabled in your config ? It should not does adding depends on (X86_64 || PPC64) to ARCH_HAS_HMM fix it ? I should just add that there for arch i do build. Cheers, Jérôme