diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/xen/gntdev.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 1f32db7b72b2..a36b71286bcf 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -731,7 +731,7 @@ static int gntdev_get_page(struct gntdev_copy_batch *batch, void __user *virt, unsigned long xen_pfn; int ret; - ret = get_user_pages_fast(addr, 1, batch->writeable ? FOLL_WRITE : 0, &page); + ret = pin_user_pages_fast(addr, 1, batch->writeable ? FOLL_WRITE : 0, &page); if (ret < 0) return ret; @@ -745,13 +745,7 @@ static int gntdev_get_page(struct gntdev_copy_batch *batch, void __user *virt, static void gntdev_put_pages(struct gntdev_copy_batch *batch) { - unsigned int i; - - for (i = 0; i < batch->nr_pages; i++) { - if (batch->writeable && !PageDirty(batch->pages[i])) - set_page_dirty_lock(batch->pages[i]); - put_page(batch->pages[i]); - } + unpin_user_pages_dirty_lock(batch->pages, batch->nr_pages, batch->writeable); batch->nr_pages = 0; batch->writeable = false; } |