> Similarly, that SGI patch which was rejected 6-12 months ago to kill off
> processes once they started swapping. We thought that it could be done
> from userspace, but we need a way for userspace to detect when a task is
> being swapped on a per-task basis.
>
> I'm thinking a few numbers in the mm_struct, incremented in the pageout
> code, reported via /proc/stat.
I just sent in a proposed patch for this - one more per-cpuset
number, tracking the recent rate of calls into the synchronous
(direct) page reclaim by tasks in the cpuset.
See the message sent a few minutes ago, with subject:
[PATCH 5/5] cpuset: memory reclaim rate meter
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.925.600.0401
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