Re: [PATCHSET v3][RFC] Make background writeback not suck

From: Jens Axboe
Date: Thu Mar 31 2016 - 23:34:08 EST

On 03/31/2016 09:29 PM, Jens Axboe wrote:
I'm not changing the host kernels - it's a production machine and so
it runs long uptime testing of stable kernels. (e.g. catch slow
memory leaks, etc). So if you've disabled throttling in the guest, I
can't test the throttling changes.

Right, that'd definitely hide the problem for you. I'll see if I can get
it in a reproducible state and take it from there.

Though on the guest, if you could try with just this one applied:

I'd appreciate it. It won't disable the throttling in the guest, just treat META and PRIO a bit differently.

Jens Axboe