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Re: pte_pagenr/MAP_NR deleted in pre6
- To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
- Subject: Re: pte_pagenr/MAP_NR deleted in pre6
- From: Ralf Baechle <ralf@oss.sgi.com>
- Date: Thu, 7 Sep 2000 16:31:44 +0200
- Cc: "David S. Miller" <davem@redhat.com>, alan@lxorguk.ukuu.org.uk, sct@redhat.com, roman@augan.com, linux-mm@kvack.org, linux-kernel@vger.rutgers.edu, rmk@arm.linux.org.uk, nico@cam.org, davidm@hpl.hp.com
- In-Reply-To: <200008171936.MAA31128@google.engr.sgi.com>; from kanoj@google.engr.sgi.com on Thu, Aug 17, 2000 at 12:36:51PM -0700
- References: <200008171920.MAA23931@pizda.ninka.net> <200008171936.MAA31128@google.engr.sgi.com>
- Sender: owner-linux-mm@kvack.org
On Thu, Aug 17, 2000 at 12:36:51PM -0700, Kanoj Sarcar wrote:
> > Except for the x86 36bit abortion do we need a long long paddr_t on any
> > 32bit platform ?
> >
> > Sparc32, mips32...
> >
>
> Not for Indys on mips32. Is there a mips32 port on another machine
> (currently in Linux, or port ongoing) that requires this?
No. Right now mips32 assumes that all memory is accessible in KSEG0 which
limits it to 512mb - $\epsilon$. I don't know of any 32-bit CPU
configuration which supports memory than that and for 64-bit processors
the policy should be to use mips64 - it's so much saner.
Ralf
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