Linux Kernel Architecture

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Index

modules

checking memory utilization prior to

swapping, 1029

definition ofstruct page, 149–151

hot-n-cold pages, 146–148

initialization.Seeinitialization of memory

management

I/O memory, 445–446

memory zones, 140–144

node management, 138–140

organization in NUMA/UMA model,

136–138

overview of, 133–136

page frames, 148–149

page tables.Seepage tables

physical memory.Seephysical memory

processor cache and TLB control, 285–287

slab allocator.Seeslab allocator

summary, 287–288

swap-out for acute shortage, 1090–1092

system calls for managing, 828

zone watermarks, 144–146

memory mappings

abstraction and, 13

address spaces, 312–314

alternatives tovmalloc, 250

creating, 314–317

full synchronization, 1021–1022

I/O memory mapping, 395

kernel, 251

mapping functions withouthighmem

capacity, 256

nonlinear mappings, 318–322

persistent kernel mappings, 251–255

principle of, 297–298

reading from, 574–576

removing, 317–318

reverse mapping, 322–327

temporary kernel mappings, 255–256

virtual process memory, 314

vmalloc.Seevmalloc

memory pages, kernel architecture and,

1119–1120

memory reclaim, 1086–1092

menu specification, Kconfig, 1147–1148

merge window, kernel development and,

1270

merging regions, 308–309

merging upstream, 1269

message format, netlink, 812–813

message queues, System V, 376–380

data structures for, 377–380

FIFO (first in first out) ordering, 377

functional principle of, 376–377

overview of, 376

MiB, units of measurements, 7

microkernels, implementation strategies, 3

migration threads

code flow diagram for, 124–125

SMP systems and, 123

Minix system, 584

minor numbers

device representation, 401–402

opening device files and, 411

representation of character and block

devices, 398

Mips systems, 1131–1132

mke2fstool, 608–610

MMU (memory management unit)

CPUs, 12

virtual memory support, 290

mobility-based grouping, 207–208

modinfotool, 478–479

modprobetool, 480–481

modules, 473–517

adding/removing, 474–475

aliases, 481–482

automatic loading, 480–483, 507–508

binary structure of, 491–492

binary-only, 19–20

as compensation for disadvantages of

monolithic kernels, 3

CRC checksums methods, 512–513

dependencies, 476–477

exporting symbols, 493–494