Re: [PATCH 1/5] MM: avoid throttling reclaim for loop-back nfsd threads.

2014-04-23 Thread NeilBrown
On Wed, 23 Apr 2014 15:03:18 -0700 Andrew Morton wrote: > On Wed, 23 Apr 2014 12:40:58 +1000 NeilBrown wrote: > > > When a loop-back NFS mount is active and the backing device for the > > NFS mount becomes congested, that can impose throttling delays on the > > nfsd threads. > > > > These dela

Re: [PATCH 1/5] MM: avoid throttling reclaim for loop-back nfsd threads.

2014-04-23 Thread Andrew Morton
On Wed, 23 Apr 2014 12:40:58 +1000 NeilBrown wrote: > When a loop-back NFS mount is active and the backing device for the > NFS mount becomes congested, that can impose throttling delays on the > nfsd threads. > > These delays significantly reduce throughput and so the NFS mount > remains conges