Commit a782fc8c authored Dec 01, 2017 by Monk Liu Committed by Alex Deucher Dec 12, 2017

drm/ttm: fix incorrect calculate on shrink_pages



shrink_pages is in unit of Order after ttm_page_pool_free,
but it is used by nr_free in next round so need change
it into native page unit

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 90eeb3aa

drivers/gpu/drm/ttm/ttm_page_alloc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -455,6 +455,7 @@ ttm_pool_shrink_scan(struct shrinker shrink, struct shrink_control sc)
		freed += (nr_free_pool - shrink_pages) << pool->order;
		if (freed >= sc->nr_to_scan)
		break;
		shrink_pages <<= pool->order;
		}
		mutex_unlock(&lock);
		return freed;

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