On Thu, Nov 20, 2014 at 1:28 PM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >> Can you identify any situation where the pages may go away? > > Anytime you trigger an allocation, the system may reap any objects > pages. It will even steal the dev->struct_mutex. To protect against the > shrinker you have to call pin_pages(). Here, there are no allocations > inside the loop and so you don't need to worry about the shrinker > stealing your pages. Hm actually I think better safe than sorry here. At least I have (again) completely forgotten about our dear shrinker ... -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
