diff options
Diffstat (limited to 'drivers/infiniband/core/umem.c')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index e9fecbdf391b..7ca4112e3e8f 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -84,6 +84,15 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, dma_addr_t mask; int i; + if (umem->is_odp) { + unsigned int page_size = BIT(to_ib_umem_odp(umem)->page_shift); + + /* ODP must always be self consistent. */ + if (!(pgsz_bitmap & page_size)) + return 0; + return page_size; + } + /* rdma_for_each_block() has a bug if the page size is smaller than the * page size used to build the umem. For now prevent smaller page sizes * from being returned. @@ -220,10 +229,10 @@ struct ib_umem *ib_umem_get(struct ib_device *device, unsigned long addr, cur_base += ret * PAGE_SIZE; npages -= ret; - sg = __sg_alloc_table_from_pages( - &umem->sg_head, page_list, ret, 0, ret << PAGE_SHIFT, - dma_get_max_seg_size(device->dma_device), sg, npages, - GFP_KERNEL); + sg = __sg_alloc_table_from_pages(&umem->sg_head, page_list, ret, + 0, ret << PAGE_SHIFT, + ib_dma_max_seg_size(device), sg, npages, + GFP_KERNEL); umem->sg_nents = umem->sg_head.nents; if (IS_ERR(sg)) { unpin_user_pages_dirty_lock(page_list, ret, 0); |