> Yes there most certainly are. The driver's MMAP method can fully edit
> the page protection attributes for that mmap area as it pleases.
That doesn't help for MAP_ANON pages.
But it helps _THIS_ case, DRM(dma_mmap) is where all AGP memory comes
from and we can control the page protections for every page there.
If you want to start a thread about controlling cacheability
generically from mmap() or whatever idea you have, please
start a different thread and change the Subject.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/