Re: [PATCH v3 38/41] powerpc: convert put_page() to put_user_page*()

From: John Hubbard
Date: Thu Aug 08 2019 - 21:26:47 EST


On 8/7/19 10:42 PM, Michael Ellerman wrote:
> Hi John,
>
> john.hubbard@xxxxxxxxx writes:
>> diff --git a/arch/powerpc/mm/book3s64/iommu_api.c b/arch/powerpc/mm/book3s64/iommu_api.c
>> index b056cae3388b..e126193ba295 100644
>> --- a/arch/powerpc/mm/book3s64/iommu_api.c
>> +++ b/arch/powerpc/mm/book3s64/iommu_api.c
>> @@ -203,6 +202,7 @@ static void mm_iommu_unpin(struct mm_iommu_table_group_mem_t *mem)
>> {
>> long i;
>> struct page *page = NULL;
>> + bool dirty = false;
>
> I don't think you need that initialisation do you?
>

Nope, it can go. Fixed locally, thanks.

Did you get a chance to look at enough of the other bits to feel comfortable
with the patch, overall?

thanks,
--
John Hubbard
NVIDIA