On Tue, Mar 25, 2014 at 01:23:06PM +0000, Chris Wilson wrote:
> Try to flush out dirty pages into the swapcache (and from there into the
> swapfile) when under memory pressure and forced to drop GEM objects from
> memory. In effect, this should just allow us to discard unused pages for
> memory reclaim and to start writeback earlier.
> 
> v2: Hugh Dickins warned that explicitly starting writeback from
> shrink_slab was prone to deadlocks within shmemfs.
> 
> Cc: Hugh Dickins <hu...@google.com>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>

Good news! QA have declared that this series really does prevent the
random OOM where we have completely unused swap. So all it needs is
someone brave enough to review.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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