Convert to use vm_insert_range() to map range of kernel
memory to user vma.
Signed-off-by: Souptick Joarder <[email protected]>
Reviewed-by: Matthew Wilcox <[email protected]>
Reviewed-by: Boris Ostrovsky <[email protected]>
---
drivers/xen/privcmd-buf.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
index df1ed37..d31b837 100644
--- a/drivers/xen/privcmd-buf.c
+++ b/drivers/xen/privcmd-buf.c
@@ -180,12 +180,8 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
if (vma_priv->n_pages != count)
ret = -ENOMEM;
else
- for (i = 0; i < vma_priv->n_pages; i++) {
- ret = vm_insert_page(vma, vma->vm_start + i * PAGE_SIZE,
- vma_priv->pages[i]);
- if (ret)
- break;
- }
+ ret = vm_insert_range(vma, vma->vm_start, vma_priv->pages,
+ vma_priv->n_pages);
if (ret)
privcmd_buf_vmapriv_free(vma_priv);
--
1.9.1