Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: Need for SHIFT and MASK | Date | Mon, 10 Oct 2005 17:37:38 +0300 |
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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.
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