| Date | Mon, 11 May 2009 14:39:06 -0700 | From | Andrew Morton <> | Subject | Re: [patch 10/11 -mmotm] oom: avoid oom kill if no interruptible tasks |
| |
On Sun, 10 May 2009 15:07:25 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:
> If there are no interruptible system tasks other than kthreads,
It's unclear what the term "system task" means. Just "task"?
> no task > should be chosen for oom kill since they won't respond to the SIGKILL > anyway. Instead, we choose to simply fail page allocations if reclaim > cannot free memory and hope for the best.
But plain old user processes enter and leave D state all the time. The task may well just be sitting there waiting for a disk read to complete. It will respond to the SIGKILL shortly after the IO completes, so an appropriate action here is to just wait for that to happen.
|