On Mon, Oct 17, 2005 at 02:25:17PM -0600, Christopher Friesen wrote:
> Linus Torvalds wrote:
>
> >Yes, it may screw up some latency stuff, but quite frankly, even with your
> >patch and even ignoring the call_rcu_bh case, I'm convinced you can easily
> >get into the situation where softirqd just doesn't run soon enough.
> >
> >But at least I think I understand _why_ rcu processing was delayed.
>
> Could this be related to the "rename14 LTP test with /tmp as tmpfs and
> HIGHMEM causes OOM-killer invocation due to zone normal exhaustion" issue?
Could very well be. Chris, could you please try booting
with rcupdate.maxbatch=10000 and see if the problem goes away ?
Thanks
Dipankar
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