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SubjectRe: [PATCH 0/3] cfq-iosched: Fair cross-group preemption
On Mon, Mar 28, 2011 at 6:15 AM, Vivek Goyal <> wrote:
> On Fri, Mar 25, 2011 at 04:53:13PM -0700, Chad Talbott wrote:
>> Also, we'll soon be working to adopt the hierarchy series, and we'll
>> likely revisit using an RT service tree there.  It's difficult to
>> justify introducing RT service tree before those patches arrive.
> So once you move to hierachicy series, will be you using RT class and
> use throttling and abandon this functionality?

I'll certainly investigate using RT class and throttling, but it's too
early to know. It's a known change in behavior, so it will need
testing (as well as the user-space work to handle the different

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