On Mon, Dec 07, 2015 at 02:48:12PM +0100, Michal Hocko wrote: > On Fri 04-12-15 15:58:53, Chris Wilson wrote: > > Some modules, like i915.ko, use swappable objects and may try to swap > > them out under memory pressure (via the shrinker). Before doing so, they > > want to check using get_nr_swap_pages() to see if any swap space is > > available as otherwise they will waste time purging the object from the > > device without recovering any memory for the system. This requires the > > nr_swap_pages counter to be exported to the modules. > > I guess it should be sufficient to change get_nr_swap_pages into a real > function and export it rather than giving the access to the counter > directly? What do you mean by "sufficient"? That is actually more work. It should be sufficient to just export the counter. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>