alloc.fig

早期freebsd实现

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.\"	@(#)alloc.fig	5.1 (Berkeley) 4/16/91
.\"
.PS
scale=100
define m0 |
[ box invis ht 16 wid 32 with .sw at 0,0
line  from 4,12 to 4,4 
line  from 8,12 to 8,4 
line  from 12,12 to 12,4 
line  from 16,12 to 16,4 
line  from 20,12 to 20,4 
line  from 24,12 to 24,4 
line  from 28,12 to 28,4 
line  from 0,16 to 0,0 
line  from 0,8 to 32,8 
] |

define m1 |
[ box invis ht 16 wid 32 with .sw at 0,0
line  from 8,12 to 8,4 
line  from 16,12 to 16,4 
line  from 24,12 to 24,4 
line  from 0,8 to 32,8 
line  from 0,16 to 0,0 
] |

define m2 |
[ box invis ht 16 wid 32 with .sw at 0,0
line  from 0,8 to 32,8 
line  from 0,16 to 0,0 
] |

define m3 |
[ box invis ht 16 wid 31 with .sw at 0,0
line  from 15,12 to 15,4 
line  from 0,8 to 31,8 
line  from 0,16 to 0,0 
] |

box invis ht 212 wid 580 with .sw at 0,0
"\f1\s10\&kernel memory pages\f1\s0" at 168,204
"\f1\s10\&Legend:\f1\s0" at 36,144
"\f1\s10\&cont \- continuation of previous page\f1\s0" at 28,112 ljust
"\f1\s10\&free \- unused page\f1\s0" at 28,128 ljust
"\f1\s10\&Usage:\f1\s0" at 34,87
"\f1\s10\&memsize(addr)\f1\s0" at 36,71 ljust
"\f1\s10\&char *addr;\f1\s0" at 66,56 ljust
"\f1\s10\&{\f1\s0" at 36,43 ljust
"\f1\s10\&return(kmemsizes[(addr \- kmembase) \- \s-1PAGESIZE\s+1]);\f1" at 66,29 ljust
"\f1\s10\&}\f1\s0" at 36,8 ljust
line  from 548,192 to 548,176 
line  from 548,184 to 580,184 dotted
"\f1\s10\&1024,\f1\s0" at 116,168
"\f1\s10\&256,\f1\s0" at 148,168
"\f1\s10\&512,\f1\s0" at 180,168
"\f1\s10\&3072,\f1\s0" at 212,168
"\f1\s10\&cont,\f1\s0" at 276,168
"\f1\s10\&cont,\f1\s0" at 244,168
"\f1\s10\&128,\f1\s0" at 308,168
"\f1\s10\&128,\f1\s0" at 340,168
"\f1\s10\&free,\f1\s0" at 372,168
"\f1\s10\&cont,\f1\s0" at 404,168
"\f1\s10\&128,\f1\s0" at 436,168
"\f1\s10\&1024,\f1\s0" at 468,168
"\f1\s10\&free,\f1\s0" at 500,168
"\f1\s10\&cont,\f1\s0" at 532,168
"\f1\s10\&cont,\f1\s0" at 564,168
m2 with .nw at 100,192
m1 with .nw at 132,192
m3 with .nw at 164,192
m2 with .nw at 196,192
m2 with .nw at 228,192
m2 with .nw at 260,192
m0 with .nw at 292,192
m0 with .nw at 324,192
m2 with .nw at 356,192
m2 with .nw at 388,192
m0 with .nw at 420,192
m2 with .nw at 452,192
m2 with .nw at 484,192
m2 with .nw at 516,192
"\f1\s10\&kmemsizes[] = {\f1\s0" at 100,168 rjust
"\f1\s10\&char *kmembase\f1\s0" at 97,184 rjust
.PE