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Date: Sat, 02 Mar 2002 17:28:19 +0900
From: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <20020302144220C.harrier@seiryu.es.hkg.ac.jp>
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cc: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp>
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$BC+B<$G$9!#(B

On Sat, 02 Mar 2002 14:42:20 +0900,
  Hiroyuki Une <harrier@seiryu.es.hkg.ac.jp> said:

Hiroyuki> $B5\Fb$5$s$O!"(B($BC+B<$5$s$N%a!<%k$K$J$i$C$F(B)

$B$3$l$C$F!"$I$l$G$7$?$C$1(B? ($B$$$/$D$+(Bmail$B$r=q$$$?$N$G<+J,$G$bK:$l$F$$$k(B)


Hiroyuki> inode $B$N?t$O%+!<%M%k$N%Q%i%a!<%?$H$$$&8@$$J}$r$5$l$F$*$i$l$^$7$?!#(B
Hiroyuki> $B$=$l$KBP$7$F!";d$O!V%+!<%M%k$K;XDj$G$-$k%Q%i%a!<%?$O(B
Hiroyuki> /usr/src/sys/i386/conf/LINT $B$KA4$F5-=R$5$l$F$$$k$O$:$@$+$i!"(B
Hiroyuki> $B$3$NCf$G(B inode $B$N?t$r;XDj$9$k%Q%i%a!<%?(B($B%*%W%7%g%s(B)$B$,$"$l$P;XE&$7$F2<$5$$!W(B
Hiroyuki> $B$H$$$&0UL#$N<ALd$r$7$^$7$?!#(B

$B$;$C$+$/$J$N$G(B... in-core inode$B$K$D$$$F$O!"4V@\E*$J$,$i(Bkernel option$B$,$"(B
$B$j$^$9!#(B

in-core inode$B$O(Bmalloc(9)$B$G(Bmemory$B$r3NJ]$9$k$?$a!"(Bmalloc(9)$B$,;H$&(B
kmem_map(vm map)$B$NBg$-$5$,@)Ls$K$J$j$^$9!#(Bkmem_map$B$O:GBg(BVM_KMEM_SIZE_MAX
(sys/{i386,alpha,...}/include/vmparam.h$B$GDj5A!"(Bi386$B$G$O(B200M)+alpha
(mbuf$BMQ(B)$B$^$G3HBg$G$-$^$9!#(Bin-core inode(struct inode)$B$O(B(2$B$N6R>h$K4]$a$3(B
$B$`$H(B)256 bytes$B$J$N$G!"(Bin-core inode$B$O(B(i386$B$N>l9g(B)800K$B8D$^$G:n$l$^$9!#(B

$B$?$@$7!"(Bmalloc(9)$B$G3d$jEv$F$k(Bpage$B$O(Bpage out$B$G$-$J$$$N$G!"J*M}(Bmemory$B$NBg(B
$B$-$5$rD6$($F(Bmalloc(9)$B$9$k$3$H$O$G$-$^$;$s!#$^$?!"(Bkmem_map$B$,(B
fragmentation$B$r5/$3$7$F$$$?>l9g(B($B:G>.(B16 bytes$B$+$i3d$jEv$F2DG=(B)$B!":n$l$k(B
in-core inode$B$N?t$O$b$C$H8:$C$F$7$^$$$^$9!#7P83B'$J$,$i!"Ls(B500K$B8D$,8=<B(B
$BE*$J>e8B$N$h$&$G$9(B(KVA$BA4$F$KJ*M}(Bmemory$B$,$$$-EO$k$H$7$F(B)$B!#(B


$BM>CL$J$,$i!"(Bkmem_map$B$r9-$2$k$N$O0F30BgJQ$G$9!#(Bbio buffer($B<+A0$G(Bvm map$B$r(B
$B;}$C$F$$$k(B)$B$d(Bzone allocator(KVA$BA4BN$r4IM}$9$k(Bkernel_map$B$+$iD>@\(Bpage$B$r3N(B
$BJ](B)$B$J$I$N6u4V$rD4@0$7$J$1$l$P$J$j$^$;$s!#0lEY$d$C$F$_$^$7$?$,!"7W;;%_%9(B
$B$NO"B3$G7k6I$"$-$i$a$^$7$?!#(B

$B$=$s$J$o$1$G!"8=:_(Bin-core inode$B$K(Bzone allocator$B$r;H$o$;$k$h$&$J2~NI$r;n(B
$B$7$F$$$^$9!#$3$l$K$h$j!"(Bin-core inode$B$N?t$O(B(vnode$B$HF1$8$/(B)$BJ*M}(Bmemory$B$NNL(B
$B0J30$N@)Ls$r<u$1$J$/$J$j$^$9!#(Bbio buffer$B$NBg$-$5$K$b0M$j$^$9$,!"(B600K$B8DDx(B
$BEY$^$GA@$($=$&$G$9!#(B


$B$^$?$^$?M>CL$G$9$,!";d$N$H$3$m$GF0$$$F$$$k(Bcvsup.jp.FreeBSD.org$B$O$*$=$i$/(B
FreeBSD$B$G@$3&:GBg$N(Bvnode$B$d(Bin-core inode$B$r;}$D7W;;5!$N$h$&$G$9!#8=;~E@$G(B
vnode$B$*$h$S(Bin-core inode$B$,Ls(B350K$B8D(B($B$[$H$s$I$N(Bvnode$B$O(Binode$B$KBP1~(B)$B!#$3$l$,(B
500K$B8D$rD6$($F$/$k$H(BKVA$BITB-$G4m$J$/$J$j$^$9!#(B-arch$B$rFI$s$G$k?M$O8+$?$+$b(B
$BCN$l$^$;$s$,!"(BMatt Dillon$B[)$/!V$3$s$J$K(Bmemory$B$r@Q$s$@7W;;5!$@$H8+$?$3$H(B
$B$b$J$$$3$H$,5/$3$k$+$b!W!#(B

-- 
Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> <tanimura@FreeBSD.org>
