From: Jim Nelson <james4765@verizon.net>
To: Simon Valiquette <v.simon@ieee.org>
Cc: linux-newbie@vger.kernel.org
Subject: Re: Query regarding Copy-on-write
Date: Sat, 20 Nov 2004 09:22:17 -0500 [thread overview]
Message-ID: <419F5319.8090500@verizon.net> (raw)
In-Reply-To: <419F4DA7.1070606@ieee.org>
Simon Valiquette wrote:
> Jagadeesh Bhaskar P a écrit :
>> How can this work? Can someone please help me on this regard?
>>
>
> I think I gave a good overview of the question. I tried to keep
> things as simple as I could, at the cost of not giving an exact
> description of how Linux handle COW. For example, there is in fact 3
> levels of page table indirections in Linux, but it was not necessary to
> understand COW.
>
4-level page tables just were merged into the kernel mainline as of 2.6.10-rc2 -
mostly to support the big iron that has almost-terabyte-level system memory (the
SGI Altix, some of the big stuff from IBM, some other NUMA machines).
Jim
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next prev parent reply other threads:[~2004-11-20 14:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-20 10:39 Query regarding Copy-on-write Jagadeesh Bhaskar P
2004-11-20 13:59 ` Simon Valiquette
2004-11-20 14:22 ` Jim Nelson [this message]
2004-11-22 3:34 ` Jagadeesh Bhaskar P
2004-11-22 6:31 ` Simon Valiquette
2004-11-22 6:49 ` Jagadeesh Bhaskar P
2004-11-22 11:48 ` Simon Valiquette
2004-11-23 4:00 ` Manish Regmi
2004-11-20 14:17 ` Jim Nelson
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