On Thu, Aug 20, 2015 at 9:19 AM, Roman Gushchin <klamm@xxxxxxxxxxxxxx> wrote: > + max_sane = max(MAX_READAHEAD, > + (node_page_state(numa_node_id(), NR_INACTIVE_FILE) + > + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2); No, we're not re-introducing the idiotic and broken per-node logic. There was a reason it was killed. There have been other patches suggested that actually use _valid_ heuristics, this is not one of them. Linus -- 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>