diff options
-rw-r--r-- | drivers/xen/privcmd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index a9b2baa2c7be..aa8ca58e6efc 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -612,8 +612,11 @@ static void unlock_pages(struct page *pages[], unsigned int nr_pages) { unsigned int i; - for (i = 0; i < nr_pages; i++) + for (i = 0; i < nr_pages; i++) { + if (!PageDirty(pages[i])) + set_page_dirty_lock(pages[i]); put_page(pages[i]); + } } static long privcmd_ioctl_dm_op(struct file *file, void __user *udata) |