From owner-FreeBSD-users-jp@jp.FreeBSD.org Fri Oct 31 13:49:54 2003
Received: (from daemon@localhost)
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) id h9V4nsr18604;
	Fri, 31 Oct 2003 13:49:54 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from is1.mh.itc.u-tokyo.ac.jp (is1.mh.itc.u-tokyo.ac.jp [133.11.205.11])
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) with ESMTP/inet id h9V4nsM18599
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Fri, 31 Oct 2003 13:49:54 +0900 (JST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
Received: from is1.mh.itc.u-tokyo.ac.jp (is1.mh.itc.u-tokyo.ac.jp [127.0.0.1])
	by is1.mh.itc.u-tokyo.ac.jp (Postfix) with ESMTP id 5788A2186E9
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Fri, 31 Oct 2003 13:49:49 +0900 (JST)
Received: from mailhosting.itc.u-tokyo.ac.jp (IDENT:mirapoint@mailhosting.itc.u-tokyo.ac.jp [133.11.205.3])
	by is1.mh.itc.u-tokyo.ac.jp (8.12.10/8.12.9) with ESMTP id h9V4nnSu016360
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Fri, 31 Oct 2003 13:49:49 +0900
Received: from ett.sat.t.u-tokyo.ac.jp (ett.sat.t.u-tokyo.ac.jp [133.11.135.3])
	by mailhosting.itc.u-tokyo.ac.jp (Mirapoint Messaging Server MOS 3.3.5-GR)
	with ESMTP id ALH20063;
	Fri, 31 Oct 2003 13:49:48 +0900 (JST)
Message-ID: <ybs65i68103.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <200310310213.h9V2DtxD006867@urban>
References: <20031029.150334.68483539.okuyamak@dd.iij4u.or.jp>
	<3F9E37C4.BE20408A@ht.sakura.ne.jp>
	<200310290223.AA00873@m2.sanritz.co.jp>
	<200310310213.h9V2DtxD006867@urban>
User-Agent: Wanderlust/2.11.0 (Wonderwall) REMI/1.14.3 (Matsudai)
 FLIM/1.14.3 (=?ISO-8859-1?Q?Unebigory=F2mae?=) APEL/10.3 MULE XEmacs/21.4
 (patch 8) (Honest Recruiter) (i386--freebsd)
X-Face: OE([KxWyJI0r[R~S/>7ia}SJ)i%a,$-9%7{*yihQk|]gl}2p#"oXmX/fT}Bn7:
 #j7i14gu$jgR\S*&C3R/pJX<mI-4Z8'mqt1R'CjWdw-xqVoilv`\JgZcquM5oV
 uO^<vt/~051rCDM(`{rM~?{Okr,XC+}Ycm9IJO)odT*-0nyJjBJYzL{GsZ
MIME-Version: 1.0 (generated by REMI 1.14.3 - "Matsudai")
Content-Type: text/plain; charset=ISO-2022-JP
Reply-To: FreeBSD-users-jp@jp.FreeBSD.org
Precedence: list
Date: Fri, 31 Oct 2003 13:49:48 +0900
X-Sequence: FreeBSD-users-jp 77080
Subject: [FreeBSD-users-jp 77080] Re: over 4GB mem (PAE)
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: simokawa@sat.t.u-tokyo.ac.jp
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+031013

At Fri, 31 Oct 2003 11:13:54 +0900,
Seigo Tanimura wrote:
> $B$=$N;~$K(B phk $B$,!"!V(BI/O $BCf$O(B bio buffer $B$r(B unmap $B$7$F!"$=$N%"%I%l%96u4V(B
> $B$rL@EO$;$J$$$+$J$!!W$H$$$C$F$?$s$G$9$M!#$3$l$J$i!"(BI/O $B$,40N;$7$F<B:]$K(B 
> bio buffer $B$NCf?H$r(B CPU $B$,FI$_=q$-$G$-$k$h$&$K$J$k$^$G%"%I%l%96u4V$r;H(B
> $B$o$J$/$F:Q$_$^$9!#(BI/O $B$KMW$9$k;~4V$O(B CPU $B$,(B bio buffer $B$K%"%/%;%9$9$k(B
> $B;~4V$h$j$b$:$C$HD9$$$N$G!"L5BL$J%"%I%l%96u4V$,$+$J$j:o$l$=$&$J5$$,$7$^(B
> $B$9!#(BCPU $B$,D>@\(B I/O $B$K4X$o$l$J$$$N$G!"(BDMA $B$H$+$,I,?\$K$J$k$G$7$g$&$,(B...

NetBSD $B$N(B bus_dma(9) $B$O$=$3$i$X$s9MN8$5$l$F$$$?$h$&$J5-21$,$"$j$^$9$,(B,
buffer cache $B4^$a$F(B, $B$=$l$r$A$c$s$HMxMQ$7$F$$$k$+$I$&$+$OCN$j$^$;$s(B.

> $B$*$^$1!"$b$7(B kernel $B$+$i(B user process $B$N%"%I%l%96u4V$,8+$($J$/$F$b$h$$(B
> (copyin() $B$d(B copyout() $B$J$I$NNc30$r=|$1$PDL>o$O8+$($kI,MW$O$J$$(B)$B$J$i$P!"(B
> user process $B$H(B kernel $B$KJL!9$N%"%I%l%96u4V$rMQ0U$7$F!"$=$l$>$l$G(B 4GB
> $B;H$o$;$k<j$b$"$j$^$9!#$?$@$7!"(BIntel $B$N(B CPU $B$@$H%"%I%l%96u4V$ND%$jD>$7(B
> $B$,9b$/$D$/$N$GIaDL$O$d$i$J$$$HJ9$-$^$7$?!#(BUltraSPARC $B$H$+$O$3$l$,0B2A(B
> $B$K$G$-$k$N$G!"Nc$($P(B sun4u $B>e$N(B Solaris $B$O%+!<%M%k$N%"%I%l%96u4V$r(B
> user process $B$H$O40A4$KJLJ*$K$7$F$$$k$=$&$G$9!#(B

FreeBSD/sparc64 $B$b$=$&$J$C$F$$$^$9$M(B.

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
