On Fri, 2009-07-17 at 12:25 +0000, Thomas Gleixner wrote: > commit e3c8ca8336 (sched: do not count frozen tasks toward load) broke > the nr_uninterruptible accounting on freeze/thaw. On freeze the task > is excluded from accounting with a check for (task->flags & > PF_FROZEN), but that flag is cleared before the task is thawed. So > while we prevent that the freezing task with state > TASK_UNINTERRUPTIBLE is accounted to nr_uninterruptible we decrement > nr_uninterruptible on thaw. > > Use a separate flag which is handled by the freezing task itself. Set > it before calling the scheduler with TASK_UNINTERRUPTIBLE state and > clear it after we return from frozen state. Thanks for the fix, and sorry for the regression. I'll test this early next week but I don't anticipate any problems for the use case the original patch was addressing. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
