On Mon, Jul 19, 2010 at 02:11:30PM +0100, Mel Gorman wrote: > + /* > + * If reclaim is encountering dirty pages, it may be because > + * dirty pages are reaching the end of the LRU even though > + * the dirty_ratio may be satisified. In this case, wake > + * flusher threads to pro-actively clean some pages > + */ > + wakeup_flusher_threads(laptop_mode ? 0 : nr_dirty + nr_dirty / 2); > + Where is the laptop-mode magic coming from? And btw, at least currently wakeup_flusher_threads writes back nr_pages for each BDI, which might not be what you want. Then again probably no caller wants it, but I don't see an easy way to fix it. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>