On March 01, 2017 5:40 AM Johannes Weiner wrote: > > NR_PAGES_SCANNED counts number of pages scanned since the last page > free event in the allocator. This was used primarily to measure the > reclaimability of zones and nodes, and determine when reclaim should > give up on them. In that role, it has been replaced in the preceeding > patches by a different mechanism. > > Being implemented as an efficient vmstat counter, it was automatically > exported to userspace as well. It's however unlikely that anyone > outside the kernel is using this counter in any meaningful way. > > Remove the counter and the unused pgdat_reclaimable(). > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > --- Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx> -- 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>