* Dave Young <hidave.darkstar@xxxxxxxxx> [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.darkstar@xxxxxxxxx> Won't __GFP_NORETRY prevent OOM? Could you please describe how you tested the patch? -- Three Cheers, Balbir -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
