Professional Linux kernel architecture ''Wrox programmer to programmer''--Cover. - ''What you are reading right now is the result of an evolution over more than seven years: After two years of writing, the first edition was published in German by Carl Han PDF
Preview Professional Linux kernel architecture ''Wrox programmer to programmer''--Cover. - ''What you are reading right now is the result of an evolution over more than seven years: After two years of writing, the first edition was published in German by Carl Han
Mauerer ffirs.tex V2-08/26/2008 3:23am Pageiii Professional Linux® Kernel Architecture Wolfgang Mauerer WileyPublishing,Inc. Mauerer ffirs.tex V2-08/26/2008 3:23am Pageii Mauerer ffirs.tex V2-08/26/2008 3:23am Pagei Professional Linux® Kernel Architecture Introduction ..................................................................xxvii Chapter1:IntroductionandOverview .......................................... 1 Chapter2:ProcessManagementandScheduling............................. 35 Chapter3:MemoryManagement............................................ 133 Chapter4:VirtualProcessMemory.......................................... 289 Chapter5:LockingandInterprocessCommunication....................... 347 Chapter6:DeviceDrivers .................................................... 391 Chapter7:Modules .......................................................... 473 Chapter8:TheVirtualFilesystem............................................ 519 Chapter9:TheExtendedFilesystemFamily................................. 583 Chapter10:FilesystemswithoutPersistentStorage ....................... 643 Chapter11:ExtendedAttributesandAccessControlLists ................. 707 Chapter12:Networks........................................................ 733 Chapter13:SystemCalls .................................................... 819 Chapter14:KernelActivities ................................................ 847 Chapter15:Timemanagement .............................................. 893 Chapter16:PageandBufferCache.......................................... 949 Chapter17:DataSynchronization ........................................... 989 Chapter18:PageReclaimandSwapping................................... 1023 Chapter19:Auditing ........................................................ 1097 AppendixA:ArchitectureSpecifics......................................... 1117 AppendixB:WorkingwiththeSourceCode ................................ 1141 AppendixC:NotesonC ..................................................... 1175 AppendixD:SystemStartup ................................................ 1223 AppendixE:TheELFBinaryFormat ......................................... 1241 AppendixF:TheKernelDevelopmentProcess.............................. 1267 Bibliography................................................................. 1289 Index ........................................................................ 1293 Mauerer ffirs.tex V2-08/26/2008 3:23am Pageii Mauerer ffirs.tex V2-08/26/2008 3:23am Pageiii Professional Linux® Kernel Architecture Wolfgang Mauerer WileyPublishing,Inc. Mauerer ffirs.tex V2-08/26/2008 3:23am Pageiv Professional Linux® Kernel Architecture Publishedby WileyPublishing,Inc. 10475CrosspointBoulevard Indianapolis,IN46256 www.wiley.com Copyright©2008byWolfgangMauerer PublishedbyWileyPublishing,Inc.,Indianapolis,Indiana PublishedsimultaneouslyinCanada ISBN:978-0-470-34343-2 ManufacturedintheUnitedStatesofAmerica 10987654321 LibraryofCongressCataloging-in-PublicationData: Mauerer,Wolfgang,1978- ProfessionalLinuxkernelarchitecture/WolfgangMauerer. p.cm. Includesindex. ISBN978-0-470-34343-2(pbk.) 1. Linux. 2. Computerarchitecture. 3. Applicationsoftware. I. Title. QA76.9.A73M382008 005.4’32--dc22 2008028067 Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmittedinanyformorbyany means,electronic,mechanical,photocopying,recording,scanningorotherwise,exceptaspermittedunderSections 107or108ofthe1976UnitedStatesCopyrightAct,withouteitherthepriorwrittenpermissionofthePublisher,or authorizationthroughpaymentoftheappropriateper-copyfeetotheCopyrightClearanceCenter,222Rosewood Drive,Danvers,MA01923,(978)750-8400,fax(978)646-8600.RequeststothePublisherforpermissionshouldbe addressedtotheLegalDepartment,WileyPublishing,Inc.,10475CrosspointBlvd.,Indianapolis,IN46256,(317) 572-3447,fax(317)572-4355,oronlineathttp://www.wiley.com/go/permissions. LimitofLiability/DisclaimerofWarranty:Thepublisherandtheauthormakenorepresentationsorwarranties withrespecttotheaccuracyorcompletenessofthecontentsofthisworkandspecificallydisclaimallwarranties, includingwithoutlimitationwarrantiesoffitnessforaparticularpurpose.Nowarrantymaybecreatedorextended bysalesorpromotionalmaterials.Theadviceandstrategiescontainedhereinmaynotbesuitableforevery situation.Thisworkissoldwiththeunderstandingthatthepublisherisnotengagedinrenderinglegal,accounting, orotherprofessionalservices.Ifprofessionalassistanceisrequired,theservicesofacompetentprofessionalperson shouldbesought.Neitherthepublishernortheauthorshallbeliablefordamagesarisingherefrom.Thefactthatan organizationorWebsiteisreferredtointhisworkasacitationand/orapotentialsourceoffurtherinformation doesnotmeanthattheauthororthepublisherendorsestheinformationtheorganizationorWebsitemayprovide orrecommendationsitmaymake.Further,readersshouldbeawarethatInternetWebsiteslistedinthisworkmay havechangedordisappearedbetweenwhenthisworkwaswrittenandwhenitisread. ForgeneralinformationonourotherproductsandservicespleasecontactourCustomerCareDepartmentwithinthe UnitedStatesat(800)762-2974,outsidetheUnitedStatesat(317)572-3993orfax(317)572-4002. Trademarks:Wiley,theWileylogo,Wrox,theWroxlogo,WroxProgrammertoProgrammer,andrelatedtradedress aretrademarksorregisteredtrademarksofJohnWiley&Sons,Inc.and/oritsaffiliates,intheUnitedStatesand othercountries,andmaynotbeusedwithoutwrittenpermission.Allothertrademarksarethepropertyoftheir respectiveowners.WileyPublishing,Inc.,isnotassociatedwithanyproductorvendormentionedinthisbook. Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsinprintmaynotbe availableinelectronicbooks. Mauerer fauth.tex V2-08/22/2008 4:52am Pagev About the Author WolfgangMauererisaquantumphysicistwhoseprofessionalinterestsarecenteredaroundquantum cryptography,quantumelectrodynamics,andcompilersfor—youguessedit—quantumarchitectures. Withtheconfirmedcapacityofbeingtheworstexperimentalistintheknownuniverse,hestickstothe theoreticalsideofhisprofession,whichisespeciallyreassuringconsideringhisconstantfearofacci- dentallydestroyingtheuniverse.Outsidehisresearchwork,heisfascinatedbyoperatingsystems,and formorethanadecade—startingwithanarticleseriesaboutthekernelin1997—hehasfoundgreat pleasureindocumentingandexplainingLinuxkernelinternals.Heisalsotheauthorofabookabout typesettingwithLaTeXandhaswrittennumerousarticlesthathavebeentranslatedintosevenlanguages intotal. Whenhe’snotsubmergedinvastHilbertspacesorlargequantitiesofsourcecode,hetriestotakethe oppositedirection,namely,upward—bethiswithmodelplanes,aparaglider,oronfootwithaniceaxe inhishands:MountainsespeciallyhavethepowertooutrivaleventheLinuxkernel.Consequently,he considersplanningandaccomplishingafirst-ascentexpeditiontothevastarcticglaciersofeastGreen- landtobethereallyuniqueachievementinhislife. Being interested in everything that is fundamental, he is also the author of the first compiler for Plankalku¨l,theworld’searliesthigh-levellanguagedevisedin1942–1946byKonradZuse,thefatherof thecomputer.Asanavidreader,heisproudthatdespitethetwo-digitnumberofcomputerspresentin hislivingroom,thevolumerequiredforbooksstilloccupiesalargershare. Mauerer fauth.tex V2-08/22/2008 4:52am Pagevi Mauerer fcredit.tex V2-08/22/2008 4:53am Pagevii Credits ExecutiveEditor VicePresidentandExecutiveGroup CarolLong Publisher RichardSwadley SeniorDevelopmentEditor TomDinse VicePresidentandExecutive Publisher ProductionEditor JosephB.Wikert DebraBanninger CopyEditors ProjectCoordinator,Cover CateCaffrey LynseyStanford KathrynDuggan Proofreader EditorialManager PublicationServices,Inc. MaryBethWakefield ProductionManager Indexer TimTate JackLewis
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