On Thu, Dec 03, 2015 at 04:04:42PM +0100, Peter Zijlstra wrote: > On Thu, Dec 03, 2015 at 09:48:11AM -0500, Tejun Heo wrote: > > We can add MEM_RECLAIM -> !MEM_RECLAIM warning mechanism in addition > > but I think adding stall detection is justified. > > Sure, a stall mech is always nice, but I was thinking we should be able > to better catch some of these with explicit stuff.
Yeah, sure, I don't think we even need to meddle with lockdep. I'm gonna add WARN_ON_ONCE()s which trigger whenever something on reclaim path tries to flush !WQ_MEM_RECLAIM workqueues or work items. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
