Add a sanity test for hmm_range_fault() returning the page mapping size order. Link: https://lore.kernel.org/r/20200701225352.9649-6-rcampbell@nvidia.com Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This driver is for testing device private memory migration and devices which use hmm_range_fault() to access system memory via device page tables. Link: https://lore.kernel.org/r/20200422195028.3684-2-rcampbell@nvidia.com Link: https://lore.kernel.org/r/20200516010424.2013-1-rcampbell@nvidia.com Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Link: https://lore.kernel.org/r/20200509030225.14592-1-weiyongjun1@huawei.com Link: https://lore.kernel.org/r/20200509030234.14747-1-weiyongjun1@huawei.com Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20200511183704.GA225608@mwanda Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>