Subject: RE: how can kernel space expand to >1GB?
To: 'der Mouse' <mouse@Rodents.Montreal.QC.CA>
From: Ming Lei <mlei@Brocade.COM>
List: tech-kern
Date: 07/31/2003 17:00:20
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sorry, I mean for the modern 32-bit processors.

-----Original Message-----
From: der Mouse [mailto:mouse@Rodents.Montreal.QC.CA]
Sent: Thursday, July 31, 2003 4:47 PM
To: Ming Lei; tech-kern@NetBSD.org
Subject: Re: how can kernel space expand to >1GB?


> netbsd does have an config option to split kernel/user space to 1G/3G
> as linux does.  This option exists for every platform.

That sounds..doubtful, at least.  For example, on the VAX, the
architecture simply does not permit more than 2G of per-process VM.

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<P><FONT SIZE=3D2>sorry, I mean for the modern 32-bit =
processors.</FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: der Mouse [<A =
HREF=3D"mailto:mouse@Rodents.Montreal.QC.CA">mailto:mouse@Rodents.Montre=
al.QC.CA</A>]</FONT>
<BR><FONT SIZE=3D2>Sent: Thursday, July 31, 2003 4:47 PM</FONT>
<BR><FONT SIZE=3D2>To: Ming Lei; tech-kern@NetBSD.org</FONT>
<BR><FONT SIZE=3D2>Subject: Re: how can kernel space expand to =
&gt;1GB?</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>&gt; netbsd does have an config option to split =
kernel/user space to 1G/3G</FONT>
<BR><FONT SIZE=3D2>&gt; as linux does.&nbsp; This option exists for =
every platform.</FONT>
</P>

<P><FONT SIZE=3D2>That sounds..doubtful, at least.&nbsp; For example, =
on the VAX, the</FONT>
<BR><FONT SIZE=3D2>architecture simply does not permit more than 2G of =
per-process VM.</FONT>
</P>

<P><FONT SIZE=3D2>/~\ The ASCII&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; der Mouse</FONT>
<BR><FONT SIZE=3D2>\ / Ribbon Campaign</FONT>
<BR><FONT SIZE=3D2>&nbsp;X&nbsp; Against =
HTML&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
mouse@rodents.montreal.qc.ca</FONT>
<BR><FONT SIZE=3D2>/ \ Email!&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp; 7D C8 61 52 5D E7 2D 39&nbsp; 4E F1 31 3E E8 =
B3 27 4B</FONT>
</P>

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