Reviewed-by: Roger He Hongbo.He@amd.com
Thanks Roger(Hongbo.He) -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org] On Behalf Of Monk Liu Sent: Tuesday, December 12, 2017 5:47 PM To: amd-gfx@lists.freedesktop.org Cc: Liu, Monk Monk.Liu@amd.com Subject: [PATCH 1/7] 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
Change-Id: I33b77ac1616e24b1b881eee54c3bd7342cfa9ab8 Signed-off-by: Monk Liu Monk.Liu@amd.com --- drivers/gpu/drm/ttm/ttm_page_alloc.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 44343a2..71945cc 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -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; -- 2.7.4
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