.物理存儲器與進(jìn)程邏輯地址空間的管理計算機(jī)科學(xué)與技術(shù)學(xué)院精品.從而掌握物理存儲器的管理方法。通過查看進(jìn)程邏輯地址空間3.5在系統(tǒng)進(jìn)程中分配虛擬頁和釋放虛擬頁3.6在應(yīng)用程序進(jìn)程中分配虛擬頁和釋放虛擬頁精品.精品.③哪一行語句減少了空閑頁的數(shù)量？哪一行語句③第226行MiFreePageListHead=MiGetPfnDatabaseEntry(Pfn)->Next;和第①本次釋放的物理頁的數(shù)量是多少？釋放的物①分配的虛擬頁的起始地址是多少？分配的虛精品.②分配虛擬頁的同時有為虛擬頁映射實際的物③分配的虛擬頁是在系統(tǒng)地址空間（高2G這是由第四個參數(shù)SystemVirtual目前EOS操作系統(tǒng)內(nèi)核函數(shù)MiAllocateAnyPages能處理所有物理頁被分配完畢答：如果分配了物理頁后，沒有回收，將會MiAllocateAnyPages不能精品.精品.Else{returnSTATUS_MEMORY_NOT_ALLOCATED；}數(shù)MiAllocateAnyPag答：將MiAllocateAnyPages(進(jìn)行零初始化，確保所有分配頁都是被零初MiAllocateZeroedPages函數(shù)精品.ULONG_PTRStartingVpn;//記錄的進(jìn)程地址空號ULONG_PTREndVpn;//記錄的進(jìn)程地址空間LIST_ENTRYVadListHea使用pm.c文件中ConsoleCmdPhysicalMemory函數(shù)的函數(shù)體替換ke件中ConsoleCmdPhysicalMemory函數(shù)的函數(shù)體。調(diào)試并執(zhí)行控制臺命令“pm”，查看精品.分配和釋放多個物理頁調(diào)用MiAllocateAnyPages函數(shù)時分配多個物理頁，然后在調(diào)用Mi精品.精品.執(zhí)行控制臺命令“vm”，查看當(dāng)創(chuàng)建了一個應(yīng)用程序進(jìn)程后，系統(tǒng)進(jìn)程和應(yīng)用程切換到“Console-2”，然后輸入命令“pt”后按回車。輸出的信息:精品.輸入命令“vm1”后按回車，可以查看系統(tǒng)進(jìn)程中虛擬地址描述符的信息輸入命令“vm31”后按回車，可以查看應(yīng)用程序進(jìn)程中虛擬地址描述符的信息精品.使用vm.c文件中ConsoleCmdVM函數(shù)的函數(shù)體替換ke/syConsoleCmdVM函數(shù)的函數(shù)體。在EOS控制臺中輸入命令“vm1”后按回車精品.調(diào)試分配虛擬頁和釋放虛擬頁的過程：vm命令開始執(zhí)行后，會在調(diào)用MmAllocateVirtualMemory函數(shù)的代碼行處中斷。此時要注意參數(shù)進(jìn)入函數(shù)之前BaseAddress和RegionSize的值退出函數(shù)以后BaseAddress和RegionSize的值進(jìn)入函數(shù)前BaseAddress和RegionSize的值精品.剛退出函數(shù)時BaseAddress和RegionSize的值在調(diào)用MmAllocateVirtualMemory函數(shù)時將RegionSize參數(shù)的值設(shè)置為TotalVpnfrom655360to657407.(0xA0000000-0xA07FFFFF)1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)TotalVpnCount:2048.AllocatedVpnCount:21.FreeVpnCount:2027.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.NewVM'sbaseaddress:0xA0017000.Size:0x3000.1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)精品.3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)12#VadInclude3VpnFrom655383to655385.(0xA0017000-0xA0019FFF)AllocatedVpnCount:24.FreeVpnCount:2024.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.FreeVM'sbaseaddress:0xA0017000.Size:0x3000.1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)AllocatedVpnCount:21.FreeVpnCount:2027.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.在調(diào)用MmAllocateVirtualMemory函數(shù)時將BaseAddress參數(shù)的值設(shè)置為已經(jīng)被占精品.TotalVpnfrom655360to657407.(0xA0000000-0xA07FFFFF)1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)TotalVpnCount:2048.FreeVpnCount:2027.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.NewVM'sbaseaddress:0xA0003000.Size:0x1000.1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude1VpnFrom655363to655363.(0xA0003000-0xA0003FFF)4#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)5#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)6#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)7#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)8#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)9#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)10#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)11#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)12#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)FreeVpnCount:2026.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.FreeVM'sbaseaddress:0xA0003000.Size:0x1000.精品.1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)FreeVpnCount:2027.FreePhysicalPageCount:7126.在調(diào)用MmAllocateVirtualMemory函數(shù)時將RegionSize參數(shù)的值設(shè)置為PAGE_SIZE*2，將BaseAddress參數(shù)的TotalVpnfrom655360to657407.(0xA0000000-0xA07FFFFF)1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)TotalVpnCount:2048.AllocatedVpnCount:21.FreeVpnCount:2027.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.精品.NewVM'sbaseaddress:0xA0017000.Size:0x3000.1#VadInclude1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2#VadInclude2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)3#VadInclude2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)5#VadInclude2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)7#VadInclude2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclude2VpnFrom655377to655378.(0xA0011000-0xA0012FFF)10#VadInclude2VpnFrom655379to655380.(0xA0013000-0xA0014FFF)11#VadInclude2VpnFrom655381to655382.(0xA0015000-0xA0016FFF)12#VadInclude3VpnFrom655383to655385.(0xA0017000-0xA0019FFF)FreeVpnCount:2024.ZeroedPhysicalPageCount:0.FreePhysicalPageCount:7126.FreeVM'sbaseaddress:0xA0017000.Size:0x3000.1VpnFrom655360to655360.(0xA0000000-0xA0000FFF)2VpnFrom655361to655362.(0xA0001000-0xA0002FFF)2VpnFrom655365to655366.(0xA0005000-0xA0006FFF)4#VadInclude2VpnFrom655367to655368.(0xA0007000-0xA0008FFF)2VpnFrom655369to655370.(0xA0009000-0xA000AFFF)6#VadInclude2VpnFrom655371to655372.(0xA000B000-0xA000CFFF)2VpnFrom655373to655374.(0xA000D000-0xA000EFFF)8#VadInclude2VpnFrom655375to655376.(0xA000F000-0xA0010FFF)9#VadInclud