diff options
| -rw-r--r-- | drivers/edgetpu/edgetpu-device-group.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/edgetpu/edgetpu-device-group.c b/drivers/edgetpu/edgetpu-device-group.c index 08a97a2..f9d681e 100644 --- a/drivers/edgetpu/edgetpu-device-group.c +++ b/drivers/edgetpu/edgetpu-device-group.c @@ -919,7 +919,7 @@ static void edgetpu_unmap_node(struct edgetpu_mapping *map) map->dir == DMA_BIDIRECTIONAL) set_page_dirty(page); - put_page(page); + unpin_user_page(page); } sg_free_table(&map->sgt); @@ -991,7 +991,8 @@ static struct page **edgetpu_pin_user_pages(struct edgetpu_device_group *group, /* * DMA Buffers appear to be always dirty, so mark pages as always writeable */ - ret = get_user_pages_fast(host_addr & PAGE_MASK, num_pages, 1, pages); + ret = pin_user_pages_fast(host_addr & PAGE_MASK, num_pages, + FOLL_WRITE | FOLL_LONGTERM, pages); if (ret < 0) { etdev_dbg(etdev, "get user pages failed %u:%pK-%u: %d", group->workload_id, (void *)host_addr, num_pages, @@ -1015,7 +1016,7 @@ static struct page **edgetpu_pin_user_pages(struct edgetpu_device_group *group, error: for (i = 0; i < num_pages; i++) - put_page(pages[i]); + unpin_user_page(pages[i]); kfree(pages); return ERR_PTR(ret); @@ -1093,7 +1094,7 @@ error_free_sgt: } error: for (i = 0; i < num_pages; i++) - put_page(pages[i]); + unpin_user_page(pages[i]); if (hmap) { edgetpu_device_group_put(hmap->map.priv); kfree(hmap->sg_tables); |