On 02/08/2014 10:25 PM, Hugh Dickins wrote: > Would trinity be likely to have a thread or process repeatedly faulting > in pages from the hole while it is being punched? I can see how trinity would do that, but just to be certain - Cc davej. On 02/08/2014 10:25 PM, Hugh Dickins wrote: > Does this happen with other holepunch filesystems? If it does not, > I'd suppose it's because the tmpfs fault-in-newly-created-page path > is lighter than a consistent disk-based filesystem's has to be. > But we don't want to make the tmpfs path heavier to match them. No, this is strictly limited to tmpfs, and AFAIK trinity tests hole punching in other filesystems and I make sure to get a bunch of those mounted before starting testing. Thanks, Sasha -- 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>