* [PATCH v3 9/9] xen/privcmd-buf.c: Convert to use vm_insert_range
@ 2018-12-06 18:45 Souptick Joarder
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From: Souptick Joarder @ 2018-12-06 18:45 UTC (permalink / raw)
To: akpm, willy, mhocko, boris.ostrovsky, jgross
Cc: xen-devel, linux-kernel, linux-mm
Convert to use vm_insert_range() to map range of kernel
memory to user vma.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
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..8d8255b 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
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