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The Linux Kernel Is Preparing To Enable 5-Level Paging By Default

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  • johannesburgel
    replied
    Originally posted by wizard69 View Post
    We are talking about 64 bit processors here, why would you need more than two levels of paging. Maybe I’m missing something (totally possible) but with the two address ranges, virtual and hardware it would seem like the goal should have been to reduce the number of paving levels.
    You REALLY should google what paging is for.

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  • Setif
    replied
    Data is getting bigger and bigger. Some servers have Terabytes of RAM.

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  • wizard69
    replied
    On the surface this sounds like absolute insanity. We are talking about 64 bit processors here, why would you need more than two levels of paging. Maybe I’m missing something (totally possible) but with the two address ranges, virtual and hardware it would seem like the goal should have been to reduce the number of paving levels.

    This is makes me wonder how this impacts ARM and Power. Makes me wonder if there is a good web site that goes into comparing addressing in the physical and virtual worlds for these processors.

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  • Hibiki Kanzaki
    replied
    Yo Dawg I heard you like paging so I put some paging in your paging so you can page while you page
    Would someone tell me how this happened? We were the fucking vanguard of shaving in this country. The Gillette Mach3 was the razor to own. Then the other guy came out with a three-blade razor. Were we scared? Hell, no. Because we hit back with a little thing called the Mach3Turbo. That's three blades and an aloe strip. For moisture. But you know what happened next? Shut up, I'm telling you what happened—the bastards went to four blades. Now we're standing around with our cocks in our hands, selling three blades and a strip. Moisture or no, suddenly we're the chumps. Well, fuck it. We're going to five blades.

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  • AsuMagic
    replied
    [insert xkcd joke]

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