On Wed, 2007-12-19 at 17:22 -0500, Bill Davidsen wrote: > Peter Zijlstra wrote: > > Hi, > > > > Another posting of the full swap over NFS series. > > > > Andrew/Linus, could we start thinking of sticking this in -mm? > > > > Two questions: > 1 - what is the memory use impact on the system which don't do swap over > NFS, such as embedded systems, and
It should have little to no impact if not used. > 2 - what is the advantage of this code over the two existing network > swap approaches, > swapping to NFS mounted file and This is not actually possible with a recent kernel, current swapfile support requires a blockdevice. > swap to NBD device? > I've used the NFS file when a program was running out of memory and that > seemed to work, people in UNYUUG have reported that the nbd swap works, > so what's better here? swap over NBD works sometimes, its rather easy to deadlock, and its impossible to recover from a broken connection.
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