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Subject: Re: [PATCH V2 04/68] powerpc/mm: Use big endian page table for
 book3s 64
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Anton Blanchard
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Cc: paulus@samba.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
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Date: Mon, 30 May 2016 21:00:18 +1000
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On Mon, 2016-05-30 at 14:12 +0530, Aneesh Kumar K.V wrote:
>  /* Encode and de-code a swap entry */
> @@ -516,10 +533,12 @@ static inline pte_t pte_swp_mksoft_dirty(pte_t
> pte)
>  {
>         return __pte(pte_val(pte) | _PAGE_SWP_SOFT_DIRTY);
>  }

These kind of setters (and mkspecial etc...) could also just OR
the byteswapped constant to the raw PTE..

Cheers,
Ben.