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Subject: Please review bsd compile option change
Date: Mon, 28 Jan 2008 15:41:47 -0700
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Thread-Topic: Please review bsd compile option change
Thread-Index: Achh/vbRd+WzQ7RPRH66Gk/Kx+Sy/A==
From: "Ed Kwan" <ed.kwan@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

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Hi Andy,

This is for the BSD compile option change that I mentioned a week or 2 =
ago.  It's to increase the kmem_map from the default 4MB to 16 MB.  From =
the OpenBSD options(4) man page:

     option NKMEMCLUSTERS=3Dvalue
     Size of kernel malloc area in CLBYTES-sized logical pages.  This =
area is
     covered by the kernel submap kmem_map.  See =
/usr/include/machine/param.h
     for the default value, which is port specific.  Increase this value =
if
     =E2out of space in kmem_map=E2

The change number is 27485.

Thanks,
Ed

=3D=3D=3D=3D //depot/dev/openbsd/src/sys/arch/pmonmips/conf/BOBCAT#1 - =
/homes/edk/p4/dev/openbsd/src/sys/arch/pmonmips/conf/BOBCAT =3D=3D=3D=3D
150a151,153
>
> # Increase kmem_map from the default 4MB to 16MB.
> option NKMEMCLUSTERS=3D4096

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<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">Hi Andy,</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">This is =
for the BSD compile option change that I mentioned a week or 2 =
ago.&nbsp; It</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">&#8217;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">s to increase the kmem_map from the default 4MB to 16 =
MB.&nbsp; From the</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT SIZE=3D2 FACE=3D"Arial">OpenBSD options(4) man =
page:</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp; option =
NKMEMCLUSTERS=3Dvalue</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp; Size of kernel malloc area in =
CLBYTES-sized logical pages.&nbsp; This area is</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp; covered by the kernel submap =
kmem_map.&nbsp; See /usr/include/machine/param.h</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp; for the default value, which is =
port specific.&nbsp; Increase this value if</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp; =E2out of space in =
kmem_map=E2</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">The change number is</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D2 =
FACE=3D"Arial">27485</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">.</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Thanks,<BR>
Ed</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">=3D=3D=3D=3D =
//depot/dev/openbsd/src/sys/arch/pmonmips/conf/BOBCAT#1 - =
/homes/edk/p4/dev/openbsd/src/sys/arch/pmonmips/conf/BOBCAT =
=3D=3D=3D=3D</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">150a151,153</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&gt;</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">&gt; # =
Increase kmem_map from the default 4MB to 16MB.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">&gt; =
option NKMEMCLUSTERS=3D4096</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

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