Fix memory leak of ttm kernel issue?
On 2017å¹´08æ??16æ?¥ 15:55, Christian König wrote:
> CC stable?
>
> Reviewed-by: Christian König <christian.koenig at amd.com>
>
> Am 16.08.2017 um 09:25 schrieb Liu, Monk:
>>
>> Reviewed-by: Monk Liu <monk.liu at amd.com>
>>
>> ------------------------------------------------------------------------
>> *From:* amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of
>> Xiangliang.Yu <Xiangliang.Yu at amd.com>
>> *Sent:* Wednesday, August 16, 2017 3:20:46 PM
>> *To:* akpm at linux-foundation.org; labbott at redhat.com;
>> dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
>> *Cc:* Yu, Xiangliang
>> *Subject:* [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 at amd.com>
>> ---
>> 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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