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Page Fault HELP

Discussion in 'Unix' started by EcoFreak, Jun 15, 2011.

  1. EcoFreak

    EcoFreak New Member

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    I was hoping you guys could help me out with this questions regarding page tables.
    Consider the following page table:
    I was hoping you guys could help me out with this questions regarding page tables.

    Consider the following page table:
    h**p://pics.ferreiratech.com.pt/?di=1UER

    Suppose you execute the instruction "x=x+1" (which access at leas two memory positions, the one where the instruction is and the one where 'x' is)

    a) What changes where made in the page table after executing the instruction? How many page fault occurred?
    b) Choose one of the pages to be removed from the page table and why.

    Thanks in Advance! :)
     

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