Interesting, thanks. Patch doesn't apply clean to 4.7.2, but I get the gist, delete one version of should_compact_retry() and move ifdef so it only has __alloc_pages_direct_compact(). I'll try it out if my rsync gets OOM'd again. On Fri, Aug 26, 2016 at 3:02 PM, Tomasz Torcz <tomek@xxxxxxxxxxxxxx> wrote: > On Fri, Aug 26, 2016 at 03:00:48PM -0400, E V wrote: >> Just upgraded from 4.6.5 to 4.7.2 for my btrfs backup server with 32GB >> of ram. Only thing that run's on it is an rsync of an NFS filesystem >> to the local btrfs. Cached mem tends to hang out around 26-30GB, but >> with 4.7.2 the OOM is now going crazy and trying to kill whatever it >> can including my ssh and rsync process. Anyone seen anything similar? > > That's probably OOM regression in 4.7. Could you please test this patch: > https://lkml.org/lkml/2016/8/23/145 > > -- > Tomasz Torcz ,,If you try to upissue this patchset I shall be seeking > xmpp: zdzichubg@xxxxxxxxx an IP-routable hand grenade.'' -- Andrew Morton (LKML) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
