Messages in this thread | | | From | "Hillf Danton" <> | Subject | Re: [PATCH 9/9] mm: remove unnecessary back-off function when retrying page reclaim | Date | Thu, 02 Mar 2017 11:37:57 +0800 |
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On March 01, 2017 5:40 AM Johannes Weiner wrote: > > The backoff mechanism is not needed. If we have MAX_RECLAIM_RETRIES > loops without progress, we'll OOM anyway; backing off might cut one or > two iterations off that in the rare OOM case. If we have intermittent > success reclaiming a few pages, the backoff function gets reset also, > and so is of little help in these scenarios. > > We might want a backoff function for when there IS progress, but not > enough to be satisfactory. But this isn't that. Remove it. > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> > --- Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
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