[Bug 69247] [ILK/SNB]igt/gem_evict_everything/forked-swapping-multifd-mempressure-normal causes OOM killer

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Sep 17 05:43:48 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=69247

--- Comment #17 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #16)
> Heh, I actually had a patch with similar intent to push the batch_size loop
> into the shrinkers.

I think the logic makes more sense outside of the actual shrinker so that we
can take memory pressure (i.e. how many loops through the entire reclaim dance
we've done so far) into account. We probably shouldn't use the minimal reclaim
size if memory is still easy to get, but ramp it up aggressively if memory is
getting really tight.

As soon as we have testing results on this patch (I've asked QA to also test
this a bit on their OOM-prone byt platform) I'll send and rfc to mm.

btw for testing the patch: Please test on all affected platforms so that we
really know it's robust.

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