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Date: Wed, 06 Oct 1999 00:11:59 +0900
From: Takahiro IMAYOSHI <imayoshi@ap.t.u-tokyo.ac.jp>
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Subject: [FreeBSD-users-jp 46324] Re: =?ISO-2022-JP?B?GyRCQmdNRhsoQg==?=
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$B:#5H$G$9!#(B

In [ FreeBSD-users-jp : 46319 ];
	Takeshi Amaike$B$5$s(B wrote.

>> malloc(3) $B$K$"$k$h$&$K(B /etc/malloc.conf $B$+4D6-JQ?t(B MALLOC_OPTIONS
>> $B$rD4$Y$F!"(Boption J $B$,F~$C$F$k$H(B malloc $B$7$?$H$-$K(B 0xd0 $B$G(B fill $B$5(B
>> $B$l$k$h$&$K$J$C$F$$$^$9$h$M!#(B
> 
>   brk $B$7$F3NJ]$7$?D>8e$K(B page access $B$7$^$9$N$G!"$+$J$j9b$$3NN($G$=$N(B
> $B%W%m%;%9$,(B out of swap space $B$r?)$i$&;v$,M=A[$5$l$^$9$,!"3N<B$H$O8@$((B
> $B$J$$E@$H!"0lC6(B vm space$B$r?)$$DY$5$J$$$HMn$A$J$$$N$G$+$J$j$N;~4V$rMW$9(B
> $B$k$N$,$A$g$C$HDK$$E@$G$9(B :)

$B9M$($F$_$k$H!"$=$N%W%m%;%9$GMn$A$k$+$I$&$+$OA4A33N<B$G$O$J$$$G$9$M!#(B
$B$*CQ$:$+$7$$(B (^^;

$B$A$g$C$H6=L#$,M/$$$?$N$G!"(Bmmap() $B$H(B brk() $B$r$6$6$C$HD/$a$F$_$^$7$?!#(B
# mmap()   in /usr/src/sys/vm/vm_mmap.c (RELENG_2_2)
# obreak() in /usr/src/sys/vm/vm_unix.c (RELENG_2_2)

mmap() $B$b(B brk() $B$bF1$8$h$&$J0z?t$r@Q$s$G(B vm_map_find() $B$KFMF~$9$k(B
$B$_$?$$$G$9$M!#(B mmap() $B$@$H(B vm_map_find() $B$G(B vm_map_findspace() $B$,(B
$B8F$P$l$k$_$?$$$G$9$,(B swap size $B$r8+$F%A%'%C%/$7$F$k$o$1$8$c$J$5$=(B
$B$&!D!#(B
$BLa$C$F$-$F$+$i$bFCJL$J=i4|2=$r$7$F$$$k$h$&$K$O8+$($^$;$s$+$i!"$I$A(B
$B$i$r;H$C$F$b(B malloc() $B$G8=$l$k8z2L(B(?)$B$OJQ$o$i$J$$$h$&$J5$$,$7$^$9!#(B
$B!t$H$+=q$$$H$$$F4V0c$C$F$?$iCQ$:$+$7$$$J$!!D(B


>   $B$I$&$;CY$/$9$k$J$i!":G6a$O(B disk $B$b0B$$$N$G5pBg$J(B swap area $B$rMQ0U$7(B
> $B$F$*$/$N$,$^$!%j!<%:%J%V%k$8$c$J$$$+$J!#(B

$B$U$H;W$C$?$N$G$9$,!"(Bswap area $B$C$F%5%$%:@)8B$H$+$"$k$s$G$7$?$C$1!)(B
i386 $B$N(B physical memory $B$O(B 4Gbyte $B$^$G$G$9$,!"(Bprocess $BJL$K%H!<%?%k(B
$B$G(B maxproc * (4Gbyte-$B&A(B) $B$H$+3d$jEv$F$i$l$k$N$+$7$i$s!)(B

---
$B:#5H?rGn(B (Imayoshi Takahiro)  email: imayoshi@ap.t.u-tokyo.ac.jp
