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    SubjectRe: Need for SHIFT and MASK
    Date
    On Sunday 09 October 2005 21:40, Vivek Kutal wrote:
    > Hi Ingo,
    >
    > > This is usally table driven and someone has to set up
    > > this "Page Translation Tables". That's a job of the Linux kernel.
    >
    > Yes setting up the page table entries is the job of the kernel , but
    > for that we need to put the physical add. of the page and some bits
    > (present,access writes etc) in the entry, once it is done the main job
    > of translation which requires the masking and shifting is done by the
    > processor whenever that page is referenced .
    > so why these macros are present in the kernel?

    They are needed. You can remome them.

    NB: joke tags are invisible, but they are there.
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    vda
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