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path: root/drivers/xen/privcmd.c
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Diffstat (limited to 'drivers/xen/privcmd.c')
-rw-r--r--drivers/xen/privcmd.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index aa8ca58e6efc..095d683ad574 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -594,7 +594,7 @@ static int lock_pages(
if (requested > nr_pages)
return -ENOSPC;
- page_count = get_user_pages_fast(
+ page_count = pin_user_pages_fast(
(unsigned long) kbufs[i].uptr,
requested, FOLL_WRITE, pages);
if (page_count < 0)
@@ -610,13 +610,7 @@ static int lock_pages(
static void unlock_pages(struct page *pages[], unsigned int nr_pages)
{
- unsigned int i;
-
- for (i = 0; i < nr_pages; i++) {
- if (!PageDirty(pages[i]))
- set_page_dirty_lock(pages[i]);
- put_page(pages[i]);
- }
+ unpin_user_pages_dirty_lock(pages, nr_pages, true);
}
static long privcmd_ioctl_dm_op(struct file *file, void __user *udata)