Re: 32 位系统最多支持 4GB 内存，哪些 bigmem 模块是做什么用的？

["cnhnln" <cnhnln@hotmail.com>]

有个性能测试可以看看

http://www.lupaworld.com/viewnews-141155.html

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From: "amateur" <tianlei.zhao@gmail.com>
Sent: Saturday, January 02, 2010 11:01 PM
To: <debian-chinese-gb@lists.debian.org>
Subject: Re: 32 位系统最多支持 4GB 内存，哪些 bigmem 模块是做什么用的？

> On Fri, Jan 01, 2010 at 04:48:12PM +0800, User wrote:
> > 　　如题，Debian 提供了一些带有“bigmem”标识的包，比如
> > “aufs-modules-2.6-686-bigmem”等。按照它提供的解释，那种包用于 4--64GB
> > 内存的系统。可又说这适合 686 处理器，那明明是 32 位系统呀？哪位大侠懂得
> > 其中的缘由，恳请指教。
> -------------------------
> x86 32 位系统有一个 PAE(Physical Address Extension) 扩展，处理器地址总
> 线扩展到 36 位，可以将支持的物理内存容量增大到 64GB。
>
> --
> "I don't know what their
> gripe is.  A critic is
> simply someone paid to
> render opinions glibly."
>      "Critics are grinks and
>       groinks."
> -- Baron and Badger, from Badger comics
>
>
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