On Fri, 2 Mar 2012 18:39:51 +0800 Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote: > > And I agree it's unlikely but given enough time and people, I > > believe someone finds a way to (inadvertedly) trigger this. > > Right. The pageout works could add lots more iput() to the flusher > and turn some hidden statistical impossible bugs into real ones. > > Fortunately the "flusher deadlocks itself" case is easy to detect and > prevent as illustrated in another email. It would be a heck of a lot safer and saner to avoid the iput(). We know how to do this, so why not do it? -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>