On Mon, 6 Feb 2012, Andrew Morton wrote: > On Mon, 6 Feb 2012 11:40:08 -0800 (PST) > Hugh Dickins <hughd@xxxxxxxxxx> wrote: > > > I get this lockdep warning from swapping load on linux-next > > (20120201 but I expect the same from more recent days): > > The patch looks good as a standalone optimisation/cleanup. The lack of > clarity on the lockdep thing is a concern - I have a feeling we'll be > bitten again. lockdep's delphic mutterings generally strain my brain; but it has an embarrassing habit of proving right after you think it's plain wrong. > > This fix seems to be applicable to mainline? No, that call from kswapd to compact_pgdat() comes from a recent mmotm patch by Rik, "vmscan: kswapd carefully call compaction" (but I suspect my patch doesn't fit in immediately after that, I think there were maybe more changes in between). Hugh -- 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>