* Dave Young <hidave.darks...@gmail.com> [2010-10-05 20:45:21]:
> Balloon could cause guest memory oom killing and panic.
>
> Add oom notify to leak some memory and retry fill balloon after 5 minutes.
>
> At the same time add a mutex to protect balloon operations
> because we need leak balloon in oom notifier and give back freed value.
>
> Thanks Anthony Liguori for his sugestion about inflate retrying.
> Sometimes it will cause endless inflate/oom/delay loop,
> so I think next step is to add an option to do noretry-when-oom balloon.
>
> Signed-off-by: Dave Young <hidave.darks...@gmail.com>
Won't __GFP_NORETRY prevent OOM? Could you please describe how you
tested the patch?
--
Three Cheers,
Balbir
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