1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
.\" $OpenBSD: alloc.fig,v 1.3 2003/06/02 23:30:09 millert Exp $
.\"
.\" Copyright (c) 1988 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)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
|
