On Mon, Jul 06, 2020 at 03:23:44PM -0700, Ralph Campbell wrote: > The src_owner field in struct migrate_vma is being used for two purposes, > it implies the direction of the migration and it identifies device private > pages owned by the caller. Split this into separate parameters so the > src_owner field can be used just to identify device private pages owned > by the caller of migrate_vma_setup(). > > Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx> > --- > arch/powerpc/kvm/book3s_hv_uvmem.c | 2 ++ > drivers/gpu/drm/nouveau/nouveau_dmem.c | 2 ++ > include/linux/migrate.h | 12 +++++++++--- > lib/test_hmm.c | 2 ++ > mm/migrate.c | 5 +++-- > 5 files changed, 18 insertions(+), 5 deletions(-) > > diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c > index 09d8119024db..acbf14cd2d72 100644 > --- a/arch/powerpc/kvm/book3s_hv_uvmem.c > +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c > @@ -400,6 +400,7 @@ kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start, > mig.end = end; > mig.src = &src_pfn; > mig.dst = &dst_pfn; > + mig.dir = MIGRATE_VMA_FROM_SYSTEM; > > /* > * We come here with mmap_lock write lock held just for > @@ -578,6 +579,7 @@ kvmppc_svm_page_out(struct vm_area_struct *vma, unsigned long start, > mig.src = &src_pfn; > mig.dst = &dst_pfn; > mig.src_owner = &kvmppc_uvmem_pgmap; > + mig.dir = MIGRATE_VMA_FROM_DEVICE_PRIVATE; Reviewed-by: Bharata B Rao <bharata@xxxxxxxxxxxxx> for the above kvmppc change.
