i915/gem/i915_gem_shrinker.c

85  * up to @target pages of main memory backing storage from buffer objects.
87  * when purgeable objects should be removed from caches preferentially.
92  * Therefore code that needs to explicitly shrink buffer objects caches (e.g. to
132 	 * Unbinding of objects will require HW access; Let us not wake the  in i915_gem_shrink()
165 	 * object as we may end up waiting for and/or retiring the objects.  in i915_gem_shrink()
169 	 * removing objects.  in i915_gem_shrink()
188 		 * We serialize our access to unreferenced objects through  in i915_gem_shrink()
189 		 * the use of the struct_mutex. While the objects are not  in i915_gem_shrink()
266  * requests to also be able to release backing storage for active objects.
301 	 * available GEM objects worth of pages. That is we don't want  in i915_gem_shrinker_count()
364 	 * assert that there are no objects with pinned pages that are not  in i915_gem_shrinker_oom()
481  * This is typically used for special kernel internal objects that can't be
535  * shrinkable list. Objects on this list might be swapped out. Used with
536  * WILLNEED objects.
539  * DO NOT USE. This is intended to be called on very special objects that don't
551  * purgeable list. Objects on this list might be swapped out. Used with
552  * DONTNEED objects.
555  * DO NOT USE. This is intended to be called on very special objects that don't
567  * shrinkable list. Objects on this list might be swapped out. Used with
568  * WILLNEED objects.
571  * MUST only be called on objects which have backing pages.
583  * list. Used with DONTNEED objects. Unlike with shrinkable objects, the
588  * MUST only be called on objects which have backing pages.