From a08789b3fa9475ecfc767aeba88b0f0303459c90 Mon Sep 17 00:00:00 2001
From: "Xiangliang.Yu" <Xiangliang.Yu@amd.com>
Date: Wed, 16 Aug 2017 14:25:51 +0800
Subject: [PATCH] drm/ttm: Fix accounting error when fail to get pages for pool
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commit 9afae2719273fa1d406829bf3498f82dbdba71c7 upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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