https://bugs.freedesktop.org/show_bug.cgi?id=73127
--- Comment #6 from Marek Olšák maraeo@gmail.com --- There is a failure in kmalloc, meaning that there may be a memory leak in the kernel.
The Gallium HUD queries say how many bytes were allocated by the app (OpenGL, etc.) It doesn't reflect the current state of the kernel memory manager.