drm_gem_vm_open
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
EXPORT_SYMBOL(drm_gem_vm_open);
.open = drm_gem_vm_open,
drm_gem_vm_open(vma);
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
.open = drm_gem_vm_open,
void drm_gem_vm_open(struct vm_area_struct *vma);