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SubjectRe: Have the 2.4 kernel memory management problems on large machines been fixed?
>> don't want to upgrade your CPU's, it's a _whole_ lot easier to just have a
>> magic "map_large_page()" system call, and start using the 2MB page support
>> of the x86.
>>
>> And no, this should NOT be a mmap.
>>
>> It's a magic x86-only system call,
>
>> Making the _generic_ code jump through hoops because some stupid special
>> case that nobody else is interested in is bad.
>
> Actually, I suspect that MIPS, x86-64 and other
> architectures are also interested ...

Indeed. Even if you happen to have a spare 10Gb of RAM, and can address it
efficiently, that's still no reason to blow it on mindless copies of data ;-)

M.

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