GUEST_HEAP_USABLE_SIZE 49 drivers/gpu/drm/vboxvideo/vbox_drv.h #define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE GUEST_HEAP_USABLE_SIZE 224 drivers/gpu/drm/vboxvideo/vbox_main.c GUEST_HEAP_USABLE_SIZE, -1);