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SubjectRe: [ 15/23] [Suspend2] Helper for counting uninterruptible threads of a type.
Date
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.

Greetings,
Rafael
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