On Mon, Jul 19, 2010 at 02:11:26PM +0100, Mel Gorman wrote: > As the call-chain for writing anonymous pages is not expected to be deep > and they are not cleaned by flusher threads, anonymous pages are still > written back in direct reclaim. While it is not quite as deep as it skips the filesystem allocator and extent mapping code it can still be quite deep for swap given that it still has to traverse the whole I/O stack. Probably not worth worrying about now, but we need to keep an eye on it. The patch looks fine to me anyway. -- 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>