From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Oct  5 17:20:16 1999
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id RAA19733;
	Tue, 5 Oct 1999 17:20:16 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from gate.keisu.t.u-tokyo.ac.jp (ns06.t.u-tokyo.ac.jp [133.11.68.1])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with SMTP id RAA19728
	for <FreeBSD-users-jp@jp.freebsd.org>; Tue, 5 Oct 1999 17:20:16 +0900 (JST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
Received: (qmail 76039 invoked from network); 5 Oct 1999 08:20:15 -0000
Received: from sylph.sat.t.u-tokyo.ac.jp (10.6.1.20)
  by ns06.t.u-tokyo.ac.jp with SMTP; 5 Oct 1999 08:20:15 -0000
Received: from ett.sat.t.u-tokyo.ac.jp (ett.sat.t.u-tokyo.ac.jp [10.6.1.30])
	by sylph.sat.t.u-tokyo.ac.jp (Postfix) with ESMTP id 8BEDB2DAA9
	for <FreeBSD-users-jp@jp.freebsd.org>; Tue,  5 Oct 1999 17:20:15 +0900 (JST)
Received: from ett.sat.t.u-tokyo.ac.jp by ett.sat.t.u-tokyo.ac.jp (8.9.3/sat-V0.6)
	id RAA02456; Tue, 5 Oct 1999 17:20:14 +0900 (JST)
Date: Tue, 05 Oct 1999 17:20:13 +0900
Message-ID: <14329.46269.166911.92287T@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: In your message of "Tue, 05 Oct 1999 15:31:49 +0900 (JST)"
	<19991005153149L.okuyama@trl.ibm.com>
References: <199910050539.OAA03875@bluemoon.elec.ryukoku.ac.jp>
	<19991005153149L.okuyama@trl.ibm.com>
User-Agent: Wanderlust/2.2.2 (You Could Be Mine) SEMI/1.13.6 (Komatsu) FLIM/1.13.2 (Kasanui) MULE XEmacs/21.2 (beta19) (Shinjuku) (i386-unknown-freebsd3.2)
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`\JgZcquM5oVuO^<vt/~051rCDM(`{rM~?{Ok
 r,XC+}Ycm9IJO)odT*-0nyJjBJYzL{GsZ
MIME-Version: 1.0 (generated by SEMI 1.13.6 - "Komatsu")
Content-Type: text/plain; charset=ISO-2022-JP
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990727
X-Sequence: FreeBSD-users-jp 46311
Subject: [FreeBSD-users-jp 46311] Re: =?ISO-2022-JP?B?GyRCQmdNRhsoQg==?=
 =?ISO-2022-JP?B?GyRCTkwkTiVhJWIlajNOSl0hJkZJJF89cSQtIUQbKEI=?=
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org
X-Originator: simokawa@sat.t.u-tokyo.ac.jp

At Tue, 05 Oct 1999 15:31:49 +0900 (JST),
Kenichi Okuyama <okuyama@trl.ibm.co.jp> wrote:
> 
> $B1|;3(B@$B#I#B#M$G$9!#(B
> >>>>> "TT" == Tetsuya TAKEDA <takeda@mail433.elec.ryukoku.ac.jp> writes:
> TT> $B$H65$($F$$$?$@$-$^$7$?$,!"$3$l$O!"(BFreeBSD $B$K$*$$$F$O(B vm $B$N@_7W(B
> TT> $B<+BN$rJQ$($k0J30$K2?$H$+$9$kJ}K!$O$J$$!D$H$$$&$3$H$G$7$g$&$+(B?
> TT> $B$&!A$`!D!D!#(B
> 
> $B$=$&$8$c$J$$$G$9!#(Bmalloc/free $B$K!V(B512Mbyte $B$b$N5pBg$JNN0h!W$rMW5a$9(B
> $B$k$H$-$K!"(B
> 	$B!X(BFreeBSD $BI8=`$N(B malloc $B%i%$%V%i%j$O!Y(B
> sbrk $B$r;H$o$:$K(B mmap $B$r;H$C$F$$$k!"$H8@$&$@$1$NOC$G$9!#(B
> 
> $B$D$^$j!"!X(BFreeBSD $BI8=`$N(B malloc $B0J30$N%i%$%V%i%j!Y!"$?$H$($P(B
> gnu-malloc $B$H$+$r;H$($P!"(Bsbrk $B$GA4It$NNN0h$r3NJ]$9$k$N$G!"$*K>$_$N5s(B
> $BF0$K$J$j$^$9!#(B
> 
> $B$?$7$+$K$J$k$N$G$9$,!"$=$&$9$k$H(B 512Mbyte $B$NNN0h$r3NJ]$G$-$k$+$I$&$+(B
> $B$NJ}$,2x$7$/$J$j$^$9!#$J$K$7$mO"B3NN0h$G$9$+$i!#(Bmemory fragmentation
> $B$,5/$3$C$?$i!"!V6u$-NN0h!W$H$7$F$OB8:_$7$F$b!"!VO"B3!W$7$F$$$k$H$O8B(B
> $B$i$J$$!#$=$l$K!"(Bsbrk/brk $B$O%5%$%:@)8B$,87$7$+$C$?$O$:$G$9!#(B
> $B$=$7$F$5$i$K!"A4It(B 0 clear $B$7$F$+$iJV$7$F$/$l$k$N$G$H$F$bCY$$!#(B

$B$*$C$7$c$k$3$H$,NI$/$o$+$j$^$;$s(B. $B;d$NG'<1$G$O(B,

- FreeBSD $BI8=`$N(B malloc $B$O4pK\E*$K(B sbrk/brk $B$r;H$C$F$$$k(B.
	(mmap $B$b;H$C$F$O$$$k$,(B, $B4IM}>pJs$NNN0h3NJ]$N$?$a(B)

- sbrk/brk $B$K$7$?$H$3$m$G>u67$OF1$8(B, page fault $B$,$*$-$k$^$G(B,
	memory $B$O(B assign $B$5$l$:(B, $B$7$?$,$C$F(B MAXDSIZ $B$^$G$O(B error $B$K$J(B
	$B$i$J$$(B.

- virtual address $B6u4V$G$N(B $BO"B3NN0h$O(B, physical addresss $B6u4V(B/swap
	space $B$K$*$$$FO"B3NN0h$G$"$kI,MW$O$J$$(B.
	(i386 $B$G(B 512MB $B$0$i$$$NBg$-$5$@$H(B, virtual address $B6u4V$G$N(B
	fragmentation $B$b9M$($J$$$H$$$1$J$$$H$$$&$N$J$i$o$+$j$^$9$,(B.)

- 0 clear $B$5$l$k$N$O(B, $BB>$N(B process $B$,;H$C$?$"$H$N(B image $B$,$=$N$^$^(B
	$B8+$($k$H(B, security $B$J$I$NLL$GLdBj$,$"$k$?$a(B. mmap $B$7$F$b(B
	$BF1$8$@$7(B, 0 clear $B$5$l$k$N$O(B page fault $B$,5/$C$?$H$-(B.
	(FreeBSD $B$N>l9g$O(B idle $B;~$K(B free page $B$r(B 0 clear $B$9$k$N$G(B,
	$B4{$K(B 0 clear $B$5$l$F$$$k(B page $B$r$=$N$^$^(B map $B$9$k$3$H$b$"$j$^$9$,(B.)

$B$J$s$G$9$,(B....$B;d$,4*0c$$$7$F$$$k$N$+$J(B...

-- 
/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp
