On Wed, Apr 17, 2019 at 11:21:18AM -0700, Guenter Roeck wrote: > On Thu, Apr 11, 2019 at 02:03:26PM -0400, jglisse@xxxxxxxxxx wrote: > > From: Jérôme Glisse <jglisse@xxxxxxxxxx> > > > > 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 <jglisse@xxxxxxxxxx> > > Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > Cc: Ralph Campbell <rcampbell@xxxxxxxxxx> > > Cc: John Hubbard <jhubbard@xxxxxxxxxx> > > Tested-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > 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
