Name
drm_gem_create_mmap_offset —
create a fake mmap offset for an object
Synopsis
int drm_gem_create_mmap_offset ( | struct drm_gem_object * obj); |
Description
GEM memory mapping works by handing back to userspace a fake mmap offset
it can use in a subsequent mmap(2) call. The DRM core code then looks
up the object based on the offset and sets up the various memory mapping
structures.
This routine allocates and attaches a fake offset for obj.