Messages in this thread | | | Date | Mon, 5 Aug 2013 16:45:44 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCHv2] Add per-process flag to control thp |
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On Sat, Aug 03, 2013 at 07:01:02PM +0200, Oleg Nesterov wrote: > On 08/02, Alex Thorlton wrote: > > > > This patch implements functionality to allow processes to disable the use of > > transparent hugepages through the prctl syscall. > > > > We've determined that some jobs perform significantly better with thp disabled, > > and we needed a way to control thp on a per-process basis, without relying on > > madvise. > > Well, I think the changelog should explain why madvise() is bad.
It would be good to describe which jobs and why thp cannot be fixed for these.
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