Quoting Kuo-Hsin Yang (2018-12-14 09:33:19) > On Fri, Dec 14, 2018 at 4:59 PM Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > > > > > > Do you have a driver in mind (msm?) to demonstrate the use case? > > On Samsung Chromebook Plus, the drm/rockchip driver may call > rockchip_gem_get_pages()/drm_gem_get_pages() to pin a lot of pages, > breaking the page reclaim mechanism and causing oom-killer invocation. Hmm, but this doesn't change the unavailability of the pages, just how much work the shrinker must do scanning the evictable lists containing GEM pages to no avail. So it won't prevent an oom by itself because rockchip will still be holding the pages. Or? -Chris _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel