JP5235989B2 - 仮想マシンのメモリを管理するためのシステム、方法、及びコンピュータ・プログラム - Google Patents
仮想マシンのメモリを管理するためのシステム、方法、及びコンピュータ・プログラム Download PDFInfo
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/0284—Multiple user address space allocation, e.g. using different base addresses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
- G06F12/0653—Configuration or reconfiguration with centralised address assignment
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- G—PHYSICS
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
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- G06F9/5022—Mechanisms to release resources
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Description
Claims (14)
- 仮想マシン制御プログラムによって複数の仮想マシンに割り振られた仮想メモリを管理するための方法であって、前記仮想マシンの各々は、作業メモリ、キャッシュ・メモリ、並びに、作業メモリ及びキャッシュ・メモリからページ・アウトされたデータをディスク記憶装置の代わりに格納するためのスワップ・メモリに分割された仮想プライベート・メモリの割り振り分を有し、
前記仮想マシン制御プログラムが、それが追加の仮想メモリ割り振り分を自身のために必要とするということを決定し、それに応答して、前記仮想マシン制御プログラムが、前記仮想マシンのそれぞれにおいて作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するためのそれぞれの要求を前記仮想マシンに対して行うステップと、
前記仮想マシンが、それらのそれぞれにおいて作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するための前記それぞれの要求に応じるステップと
を含む方法。 - 前記要求の各々は、スワップ・メモリに変換するべき作業メモリ及び/又はキャッシュ・メモリの量を指定する、請求項1に記載の方法。
- 前記複数の仮想マシンは、それらのそれぞれの仮想マシンに割り振られた作業メモリ及び/又はキャッシュ・メモリを、それらのそれぞれの仮想マシンに割り振られたスワップ・メモリよりも十分に利用するようにプログラムされたそれぞれの複数のゲスト・オペレーティング・システムを含む、請求項1又は請求項2に記載の方法。
- 前記仮想マシンの各々は、キャッシュ・メモリをスワップ・メモリに変換することによって、それらのそれぞれの作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するための前記要求に応じる、請求項1、請求項2、又は請求項3に記載の方法。
- 仮想メモリを仮想マシン制御プログラム及び複数の仮想マシンに割り振るための仮想マシン制御プログラムであって、前記仮想マシンの各々は、作業メモリ、キャッシュ・メモリ、並びに、作業メモリ及びキャッシュ・メモリからページ・アウトされたデータをディスク記憶装置の代わりに格納するためのスワップ・メモリに分割された仮想プライベート・メモリの割り振り分を有し、
前記仮想マシン制御プログラムが追加の仮想メモリ割り振り分を自身のために必要とするということを決定し、それに応答して、前記仮想マシンのそれぞれにおいて作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するための要求を前記仮想マシンの各々に対して行う第1のプログラム命令を含み、
前記第1のプログラム命令はコンピュータ可読媒体に機能的形式で格納される、仮想マシン制御プログラム。 - 前記要求の各々は、スワップ・メモリに変換するべき作業メモリ及び/又はキャッシュ・メモリの量を指定する、請求項5に記載の仮想マシン制御プログラム。
- 前記複数の仮想マシンは、それらのそれぞれの仮想マシンに割り振られた作業メモリ及び/又はキャッシュ・メモリを、それらのそれぞれの仮想マシンに割り振られたスワップ・メモリよりも十分に利用するようにプログラムされたそれぞれの複数のゲスト・オペレーティング・システムを含む、請求項5に記載の仮想マシン制御プログラム。
- 仮想メモリを仮想マシン制御プログラム及び複数の仮想マシンに割り振るためのコンピュータ・システムであって、前記仮想マシンの各々は、作業メモリ、キャッシュ・メモリ、並びに、作業メモリ及びキャッシュ・メモリからページ・アウトされたデータをディスク記憶装置の代わりに格納するためのスワップ・メモリに分割された仮想プライベート・メモリの割り振り分を有し、
前記仮想マシン制御プログラムが追加の仮想メモリ割り振り分を自身のために必要とするということを決定し、それに応答して、前記仮想マシンのそれぞれにおいて作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するための要求を前記仮想マシンに対して行うための手段を含み、
前記仮想マシンは、それらのそれぞれにおいて作業メモリ及び/又はキャッシュ・メモリの一部をスワップ・メモリに変換するための前記それぞれの要求に応じるための手段を含む、コンピュータ・システム。 - 前記要求の各々は、スワップ・メモリに変換するべき作業メモリ及び/又はキャッシュ・メモリの量を指定する、請求項8に記載のコンピュータ・システム。
- 前記複数の仮想マシンは、それらのそれぞれの仮想マシンに割り振られた作業メモリ及び/又はキャッシュ・メモリを、それらのそれぞれの仮想マシンに割り振られたスワップ・メモリよりも十分に利用するようにプログラムされたそれぞれの複数のゲスト・オペレーティング・システムを含む、請求項8又は請求項9に記載のコンピュータ・システム。
- 仮想マシン制御プログラムによって複数の仮想マシンに割り振られた仮想メモリを管理するための方法であって、前記仮想マシンの各々は、作業メモリ、キャッシュ・メモリ、並びに、作業メモリ及びキャッシュ・メモリからページ・アウトされたデータをディスク記憶装置の代わりに格納するためのスワップ・メモリに分割された仮想プライベート・メモリの割り振り分を有し、
前記仮想マシン制御プログラムが、それが前記仮想マシン制御プログラムに現在割り振られている割り振り分よりも少ない仮想メモリ割り振り分を自身のために必要とするということを決定し、それに応答して、前記仮想マシン制御プログラムが、前記仮想マシンのそれぞれにおいてスワップ・メモリの一部を作業メモリ及び/又はキャッシュ・メモリに変換するためのそれぞれの要求を前記仮想マシンに対して行うステップ、を含む方法。 - 前記要求の各々は、作業メモリ及び/又はキャッシュ・メモリに変換するべきスワップ・メモリの量を指定する、請求項11に記載の方法。
- 前記複数の仮想マシンは、それらのそれぞれの仮想マシンに割り振られた作業メモリ及び/又はキャッシュ・メモリを、それらのそれぞれの仮想マシンに割り振られたスワップ・メモリよりも十分に利用するようにプログラムされたそれぞれの複数のゲスト・オペレーティング・システムを含む、請求項11又は請求項12に記載の方法。
- 前記仮想マシンが、それらのそれぞれのスワップ・メモリの一部を作業メモリ及び/又はキャッシュ・メモリに変換するための前記それぞれの要求に応じるステップを更に含む、請求項11、請求項12、又は請求項13に記載の方法。
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US11/769,161 | 2007-06-27 | ||
US11/769,161 US8015383B2 (en) | 2007-06-27 | 2007-06-27 | System, method and program to manage virtual memory allocated by a virtual machine control program |
PCT/EP2008/058081 WO2009000856A1 (en) | 2007-06-27 | 2008-06-25 | System, method and program to manage memory of a virtual machine |
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