On Thu, 6 Apr 2017, Doug Smythies wrote: > Hi, > > Thank you for your quick work on this. > > On 2017.04.02 17:03 Hugh Dickins wrote: > > On Tue, 28 Mar 2017, Hugh Dickins wrote: > >> On Tue, 28 Mar 2017, Kirill A. Shutemov wrote: > >>> On Mon, Mar 27, 2017 at 04:16:00PM -0700, Doug Smythies wrote: > > ...[snip]... > > > Worked out what it was yesterday, but my first patch failed overnight: > > I'd missed the placement of the next_pte label. It had a similar fix > > to mm/migrate.c in it, that hit me too in testing; but this morning I > > find Naoya's 4b0ece6fa016 in git, which fixes that. > > I think I got that one sometimes also. > > > Same issue here. > > > > [PATCH] mm: fix page_vma_mapped_walk() for ksm pages > > ... [snip] ... > > To establish a baseline, I ran kernel 4.11-rc5 without this > patch for 24 hours. The failure occurred twice. > > I have been running the exact same scenario with the patch > for 55 hours now without any issues. Great, thanks a lot for your careful testing and report. > > Note: I stayed with version 1 of the patch, even though there > was a version 2 sent out on Monday. Right, I'd have done the same once useful testing was under way: that's fine, the fix is the same, but version 2 looks more elegant. I guess Andrew can add Tested-by: Doug Smythies <dsmythies@xxxxxxxxx> or replace the Reported-by tag by Reported-and-Tested-by: Doug Smythies <dsmythies@xxxxxxxxx> I'm not sure which is in fashion at present. Thanks! 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
