diff options
Diffstat (limited to 'drivers/infiniband/core/umem_odp.c')
-rw-r--r-- | drivers/infiniband/core/umem_odp.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index e6ec79ad9cc8..c7226cf52acc 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -241,7 +241,7 @@ static struct ib_ucontext_per_mm *alloc_per_mm(struct ib_ucontext *ctx, per_mm->mm = mm; per_mm->umem_tree = RB_ROOT_CACHED; init_rwsem(&per_mm->umem_rwsem); - per_mm->active = ctx->invalidate_range; + per_mm->active = true; rcu_read_lock(); per_mm->tgid = get_task_pid(current->group_leader, PIDTYPE_PID); @@ -417,9 +417,6 @@ int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access) h = hstate_vma(vma); umem->page_shift = huge_page_shift(h); up_read(&mm->mmap_sem); - umem->hugetlb = 1; - } else { - umem->hugetlb = 0; } mutex_init(&umem_odp->umem_mutex); @@ -503,7 +500,6 @@ static int ib_umem_odp_map_dma_single_page( struct ib_umem *umem = &umem_odp->umem; struct ib_device *dev = umem->context->device; dma_addr_t dma_addr; - int stored_page = 0; int remove_existing_mapping = 0; int ret = 0; @@ -527,8 +523,7 @@ static int ib_umem_odp_map_dma_single_page( } umem_odp->dma_list[page_index] = dma_addr | access_mask; umem_odp->page_list[page_index] = page; - umem->npages++; - stored_page = 1; + umem_odp->npages++; } else if (umem_odp->page_list[page_index] == page) { umem_odp->dma_list[page_index] |= access_mask; } else { @@ -540,11 +535,9 @@ static int ib_umem_odp_map_dma_single_page( } out: - /* On Demand Paging - avoid pinning the page */ - if (umem->context->invalidate_range || !stored_page) - put_page(page); + put_page(page); - if (remove_existing_mapping && umem->context->invalidate_range) { + if (remove_existing_mapping) { ib_umem_notifier_start_account(umem_odp); umem->context->invalidate_range( umem_odp, @@ -754,12 +747,9 @@ void ib_umem_odp_unmap_dma_pages(struct ib_umem_odp *umem_odp, u64 virt, */ set_page_dirty(head_page); } - /* on demand pinning support */ - if (!umem->context->invalidate_range) - put_page(page); umem_odp->page_list[idx] = NULL; umem_odp->dma_list[idx] = 0; - umem->npages--; + umem_odp->npages--; } } mutex_unlock(&umem_odp->umem_mutex); |