linux-kernel - Re: [Intel-IOMMU 05/10] IOVA allocation and management routines

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Message-ID: <20070608182526.GB24865@linux-os.sc.intel.com>
Date:	Fri, 8 Jun 2007 11:25:27 -0700
From:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	anil.s.keshavamurthy@...el.com, linux-kernel@...r.kernel.org,
	ak@...e.de, gregkh@...e.de, muli@...ibm.com,
	asit.k.mallick@...el.com, suresh.b.siddha@...el.com,
	arjan@...ux.intel.com, ashok.raj@...el.com, shaohua.li@...el.com,
	davem@...emloft.net
Subject: Re: [Intel-IOMMU 05/10] IOVA allocation and management routines

On Thu, Jun 07, 2007 at 04:34:17PM -0700, Andrew Morton wrote:
> On Wed, 06 Jun 2007 11:57:03 -0700
> anil.s.keshavamurthy@...el.com wrote:
> 
> > +
> > +#define PAGE_SHIFT_4K		(12)
> > +#define PAGE_SIZE_4K		(1UL << PAGE_SHIFT_4K)
> > +#define PAGE_MASK_4K		(((u64)-1) << PAGE_SHIFT_4K)
> > +#define PAGE_ALIGN_4K(addr)	(((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K)
> 
> hm.  We can't use the architecture's PAGE_SHIFT and friends here?
I will see how I can get rid of this.

-Anil
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