(8/1/13 12:21 AM), Bob Liu wrote:
Hi KOSAKI,
On 08/01/2013 10:45 AM, KOSAKI Motohiro wrote:
Please read more older code. Your pointed code is temporary change and I
changed back for fixing
bugs.
If you look at the status in middle direct reclaim, we can't avoid race
condition from multi direct
reclaim issues. Moreover, if kswapd doesn't awaken, it is a problem.
This is a reason why current code
behave as you described.
I agree we should fix your issue as far as possible. But I can't agree
your analysis.
I found this thread:
mm, vmscan: fix do_try_to_free_pages() livelock
https://lkml.org/lkml/2012/6/14/74
I think that's the same issue Lisa met.
But I didn't find out why your patch didn't get merged?
There were already many acks.
Just because I misunderstood the patch has already been merged. OK, I'll
resend this.
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