Subject: Re: [PATCH] add iommu_num_pages helper function

From: David Miller <[email-masked]>
Date: Mon, 28 Jul 2008 22:26:18 -0700 (PDT)

From: FUJITA Tomonori <[email-masked]>
Date: Tue, 29 Jul 2008 13:38:53 +0900

> Agreed... As I said before, this is not urgent at all so we didn't
> need to rush.

Please, if you are going to add such interface, add
"const unsigned long io_page_size" argument so that
powerpc and sparc can use it too.