Linux Kernel Architecture

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filesystems(continued)

filesystems(continued)

overview of, 18, 644

proc.Seeprocfilesystem

pseudo filesystems, 563–564, 689

registering, 548–549

sequential file interface, 680

simple, 680

sysfs.Seesysfs filesystem

system calls for managing, 828

types of, 520

virtual.SeeVFS (virtual filesystem)

without persistent storage, 643–644

writing sequential file handlers, 681–684

fill bytes, 263–264

filters, audit, 1106

filter/value pairs, in auditing, 1099

fine-grained locking, 365–366

finite state machine, 788

Firewire (IEEE1394), 392, 393

first-fit allocator, 191

fixed mapping, address space division, 177,

179–181

flags

page flags, 151–153

process-specific, 70

flow handling,860–864

calling flow handler routines, 870–872

controller hardware settings, 860–861

edge-trigger interrupts, 861–863

interrupts, 861–864

interrupts handlers, 854

level-triggered interrupts, 863–864

overview of, 860–864

flushing

mechanism for, 990

pages, 989

periodic, 996

forced writeback, 1013–1015

fork

COW (copy-on-write) technique and, 64–65

executing system calls and, 65

overview of, 6, 47

PID (process identification) and, 54

process duplication with, 63–64

scheduler and, 102

forwarding packets, network layer, 774–775

fragmentation, network layer packets, 776

fragmentation, of memory

avoiding, 201

data structure of buddy allocator and,

204–205

Ex2, 584, 591

global variables and auxiliary functions and,

205–207

grouping pages by mobility, 201–203

initializing mobility-based grouping,

207–208

memory management and, 15

virtual movable zone, 208–209

frames

Ethernet, 746

TCP/IP reference model, 735

freeing memory, 250–251

freetext search, LXR cross-referencing tool,

1163

fs_struct, 540–541

full synchronization.See alsodata

synchronization

individual files, 1019–1021

inodes, 1018–1019

memory mappings, 1021–1022

overview of, 1016–1018

function number, identifying PCI

devices, 455

functions, PID manipulation, 59–61

futexes (fast userspace mutexes), 357

G

GCC (GNU Compiler Collection), 1175

GCC Internals, 1175

GDB (GNU debugger), 1170–1172

general module information, 494–496

General Public License (GNU), 473–474