Minor TTM kernel issue, but probably present since forever.
I would add a CC: stable at vger.... tag to it so that it gets pulled into
older kernels as well.
Christian.
Am 16.08.2017 um 11:10 schrieb zhoucm1:
>
> 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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>>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>>>
>>>
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>>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>>
>>
>>
>>
>> _______________________________________________
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>> amd-gfx at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>
>
>
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