Re: Possible deadloop in direct reclaim?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi KOSAKI,

On Sat, Aug 03, 2013 at 05:22:11PM -0400, KOSAKI Motohiro wrote:
> (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.

Just FYI,
Now Lisa am working on it and have a plan to resend more concrete
description based on your old version.

Thanks.

-- 
Kind regards,
Minchan Kim

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]