On Fri, 9 Feb 2018 06:47:26 -0800 Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > ping? > There have been a bunch of updates to this issue in bugzilla (https://bugzilla.kernel.org/show_bug.cgi?id=198497). Sigh, I don't know what to do about this - maybe there's some way of getting bugzilla to echo everything to linux-mm or something. Anyway, please take a look - we appear to have a bug here. Perhaps this bug is sufficiently gnarly for you to prepare a debugging patch which we can add to the mainline kernel so we get (much) more debugging info when people hit it?