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when kernel page tables are accessed, kernel directly refers to the stuct page using mem_map array... but when user page tables are accessed, it directly accesses pte entry and take ...
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  1. #1
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    struct page data structure


    when kernel page tables are accessed, kernel directly refers to the stuct page using mem_map array...
    but when user page tables are accessed, it directly accesses pte entry and take the further action....
    doesnt it need to access struct page in that case ? why ?

  2. #2
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    What kernel are you running for this question? Shell command "uname -r".

  3. #3
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    kernel is : 2.6.5-7.201-bigsmp

    I do not understand, how does it depend on kernel.....
    the question refers to the kernel internals specially to memory management...
    which is almost the same for 2.4 and 2.6 I suppose.

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