Invention Grant
- Patent Title: Adapting RCU for real-time operating system usage
- Patent Title (中): 适应RCU实时操作系统使用
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Application No.: US11778691Application Date: 2007-07-17
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Publication No.: US07734881B2Publication Date: 2010-06-08
- Inventor: Paul E. McKenney , Dipankar Sarma
- Applicant: Paul E. McKenney , Dipankar Sarma
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Lieberman & Brandsdorfer, LLC
- Main IPC: G06F12/00
- IPC: G06F12/00

Abstract:
A system and method is provided to support immediate freeing of a designated element from memory. Following a process of designating an element for removal from a data-structure, conditional limitations are used to determine if immediate freeing of the element from memory is available. The conditional limitations include determining that the instruction originates from a uniprocessor computer system. In addition, the conditional limitations include a determination as to whether a call_rcu primitive or synchronize_kernel primitive may be omitted, or whether the computer implemented instruction is operating in an interrupt handler. If the conditional limitations are met, the designated element may be immediately freed from memory.
Public/Granted literature
- US20070266209A1 Adapting RCU for Real-Time Operating System Usage Public/Granted day:2007-11-15
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