On Mon, 2017-04-10 at 10:48 +0100, Mel Gorman 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 > (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 <[email protected]> > Cc: [email protected]
Acked-by: Rik van Riel <[email protected]>
