| From | "Rafael J. Wysocki" <> | Subject | Re: [ 15/23] [Suspend2] Helper for counting uninterruptible threads of a type. | Date | Mon, 30 Jan 2006 23:18:28 +0100 |
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Hi,
On Thursday 26 January 2006 04:45, Nigel Cunningham wrote: > > Add a helper which counts the number of patches of a type (all > or userspace only) which are in TASK_UNINTERRUPTIBLE state. > These tasks are signalled (just in case they leave that state at > a later point), but we do not consider freezing to have failed > if and when they do not enter the freezer. > > Note that when they eventually leave TASK_UNINTERRUPTIBLE state, > they will enter the refrigerator, but will immediately exit if > we no longer want to freeze at that point.
I think we need to do something like this to prevent problems with freezing under load.
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