From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gurudas Pai <gurudas.pai@oracle.com>
Date: Wed, 02 Oct 2013 21:02:18 +0000
Subject: Re: [PATCH v2 0/9] sparc64: Support 47-bit physical addresses.
Message-Id: <524C89DA.5070803@oracle.com>
List-Id: <sparclinux.vger.kernel.org>
References: <20130930.123130.354302574443157859.davem@davemloft.net>
In-Reply-To: <20130930.123130.354302574443157859.davem@davemloft.net>
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To: sparclinux@vger.kernel.org


>>>> Allocate 10 hugepages, and run a test using tool 'fio' with following
>>>> jobfile.
>>>> Fio just hangs. Basically issue is with O_DIRECT and hugepages. If you
>>>> comment
>>>> out "direct=1" from jobfile test works fine.
>>> This worked before my changes right?
>> No, Just now tried with old kernel, it hangs as well.
> This should fix it:
>
> diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
> index d06079c..99b490b 100644
> --- a/include/asm-generic/hugetlb.h
> +++ b/include/asm-generic/hugetlb.h
> @@ -6,12 +6,12 @@ static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
>   	return mk_pte(page, pgprot);
>   }
>   
> -static inline int huge_pte_write(pte_t pte)
> +static inline unsigned long huge_pte_write(pte_t pte)
>   {
>   	return pte_write(pte);
>   }
>   
> -static inline int huge_pte_dirty(pte_t pte)
> +static inline unsigned long huge_pte_dirty(pte_t pte)
>   {
>   	return pte_dirty(pte);
>   }
Yep, issue resolved, thanks !

Thanks,
-Guru