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path: root/drivers/char/agp/frontend.c
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Diffstat (limited to 'drivers/char/agp/frontend.c')
-rw-r--r--drivers/char/agp/frontend.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index 2e044338753c..1b192395a90c 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -603,7 +603,8 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_ops = kerninfo.vm_ops;
} else if (io_remap_pfn_range(vma, vma->vm_start,
(kerninfo.aper_base + offset) >> PAGE_SHIFT,
- size, vma->vm_page_prot)) {
+ size,
+ pgprot_writecombine(vma->vm_page_prot))) {
goto out_again;
}
mutex_unlock(&(agp_fe.agp_mutex));
@@ -618,8 +619,9 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
if (kerninfo.vm_ops) {
vma->vm_ops = kerninfo.vm_ops;
} else if (io_remap_pfn_range(vma, vma->vm_start,
- kerninfo.aper_base >> PAGE_SHIFT,
- size, vma->vm_page_prot)) {
+ kerninfo.aper_base >> PAGE_SHIFT,
+ size,
+ pgprot_writecombine(vma->vm_page_prot))) {
goto out_again;
}
mutex_unlock(&(agp_fe.agp_mutex));