Messages in this thread | | | Date | Tue, 13 Dec 2011 12:38:56 -0800 | From | Andi Kleen <> | Subject | Re: [patch v3]numa: add a sysctl to control interleave allocation granularity from each node to improve I/O performance |
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On Tue, Dec 13, 2011 at 02:12:58PM -0600, Christoph Lameter wrote: > On Tue, 13 Dec 2011, Andi Kleen wrote: > > > I would prefer to add a new policy (INTERLEAVE_MULTI or so) for this > > instead of a global sysctl, that takes the additional parameter. > > That would require a change of all scripts and code that uses > MPOL_INTERLEAVE. Lets not do that.
Yes, but setting a sysctl would need the same right?
It's not clear that all workloads want this.
With a global switch only you cannot set it case by case.
-Andi -- ak@linux.intel.com -- Speaking for myself only
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