Ok, CC stable.
From: Christian König [mailto:deathsimple@xxxxxxxxxxx]
Sent: Wednesday, August 16, 2017 3:55 PM
To: Liu, Monk <Monk.Liu@xxxxxxx>; Yu, Xiangliang <Xiangliang.Yu@xxxxxxx>; akpm@xxxxxxxxxxxxxxxxxxxx; labbott@xxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 1/1] drm/ttm: Fix accounting error when fail to get pages for pool
When fail to get needed page for pool, need to put allocated pages
into pool. But current code has a miscalculation of allocated pages,
correct it.
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index eeddc1e..8715998 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
} else {
pr_err("Failed to fill pool (%p)\n", pool);
/* If we have any pages left put them to the pool. */
- list_for_each_entry(p, &pool->list, lru) {
+ list_for_each_entry(p, &new_pages, lru) {
++cpages;
}
list_splice(&new_pages, &pool->list);
--
2.7.4
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