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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@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Xiangliang.Yu 2017-08-16 14:25:51 +08:00 committed by Alex Deucher
parent d07f14be4d
commit 9afae27192
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/ttm/ttm_page_alloc.c
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@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
} else { } else {
pr_err("Failed to fill pool (%p)\n", pool); pr_err("Failed to fill pool (%p)\n", pool);
/* If we have any pages left put them to the 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; ++cpages;
} }
list_splice(&new_pages, &pool->list); list_splice(&new_pages, &pool->list);