diff options
| -rw-r--r-- | linux-core/drm_vm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c index 3372498b..47693b03 100644 --- a/linux-core/drm_vm.c +++ b/linux-core/drm_vm.c @@ -151,7 +151,8 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, offset = address - vma->vm_start; i = (unsigned long)map->handle + offset; - page = vmalloc_to_page((void *)i); + page = (map->type == _DRM_CONSISTENT) ? + virt_to_page((void *)i) : vmalloc_to_page((void *)i); if (!page) return NOPAGE_OOM; get_page(page); @@ -663,8 +664,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) break; case _DRM_SHM: case _DRM_CONSISTENT: - /* Consistent memory is really like shared memory. It's only - * allocated in a different way. */ + /* Consistent memory is much like shared memory. The + * only difference is that drm_vm_shm_nopage must use + * virt_to_page instead of vmalloc_to_page. */ vma->vm_ops = &drm_vm_shm_ops; vma->vm_private_data = (void *)map; /* Don't let this area swap. Change when |