On Mon, Apr 10, 2017 at 03:53:42PM +0200, Michal Hocko wrote: > > While this could be fixed with heavy locking, it's only necessary to > > make a copy of the PMD on the stack during change_pmd_range and avoid > > races. A new helper is created for this as the check if quite subtle and the > > existing similar helpful is not suitable. This passed 154 hours of testing > > s@helpful@helper@ I suspect > Yes. I'll wait to see if there is more feedback and if not, resend unless Andrew decides to pick it up and correct the mistake directly. > > (usually triggers between 20 minutes and 24 hours) without detecting bad > > PMDs or corruption. A basic test of an autonuma-intensive workload showed > > no significant change in behaviour. > > > > Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> > > Cc: stable@xxxxxxxxxxxxxxx > > Acked-by: Michal Hocko <mhocko@xxxxxxxx> > Thanks. > you will probably win the_longest_function_name_contest but I do not > have much better suggestion. > I know, it's not a type of function that yields a snappy name. -- Mel Gorman SUSE Labs -- 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>
