Re: [PATCH] fix pfn_pte for 64BIT_PHYS

linux-mips

Re: [PATCH] fix pfn_pte for 64BIT_PHYS_ADDR

To:	Andrew Isaacson <adi@broadcom.com>
Subject:	Re: [PATCH] fix pfn_pte for 64BIT_PHYS_ADDR
From:	Ralf Baechle <ralf@linux-mips.org>
Date:	Wed, 17 Aug 2005 11:16:53 +0100
Cc:	linux-mips@linux-mips.org
In-reply-to:	<20050817061232.GN24444@broadcom.com>
Original-recipient:	rfc822;linux-mips@linux-mips.org
References:	<20050817061232.GN24444@broadcom.com>
Sender:	linux-mips-bounce@linux-mips.org
User-agent:	Mutt/1.4.2.1i

On Tue, Aug 16, 2005 at 11:12:32PM -0700, Andrew Isaacson wrote:

> On CONFIG_64BIT_PHYS_ADDR, pfn always fits in 'unsigned long', but
> pfn<<PAGE_SHIFT sometimes extends beyond.  The pte is big enough to hold
> 'long long', but the shift in pfn_pte() needs to do its calculation with
> enough bits to hold the result.

Thanks, applied also.

  Ralf

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[PATCH] fix pfn_pte for 64BIT_PHYS_ADDR, Andrew Isaacson Re: [PATCH] fix pfn_pte for 64BIT_PHYS_ADDR, Ralf Baechle <=

Previous by Date:	Re: [PATCH] casts in TLB macros, Ralf Baechle
Next by Date:	Re: [PATCH] casts in TLB macros, Andrew Isaacson
Previous by Thread:	[PATCH] fix pfn_pte for 64BIT_PHYS_ADDR, Andrew Isaacson
Next by Thread:	Re: NAPI poll routine happens in interrupt context?, Joshua Wise
Indexes:	[Date] [Thread] [Top] [All Lists]