diff options
Diffstat (limited to 'linux-core/drm_compat.h')
| -rw-r--r-- | linux-core/drm_compat.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index 32e62ddb..f35821bd 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -367,4 +367,23 @@ extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) #endif +#ifndef VM_CAN_NONLINEAR +#define DRM_VM_NOPAGE 1 +#endif + +#ifdef DRM_VM_NOPAGE + +extern struct page *drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, int *type); + +extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, int *type); + +extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, int *type); + +extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address, int *type); +#endif + #endif |