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Re: Suggestions for a new AMD64 system



Gabor Gombas <gombasg@sztaki.hu> writes:

> On Tue, Nov 29, 2005 at 12:36:48PM +0100, Goswin von Brederlow wrote:
>
>> Only to the amout of /proc/sys/vm/swappiness. After that binaries and
>> data are swapped out in favour of more cache.
>
> Binaries do not use swap. File-backed R/O mapped pages can simply be
> discarded because they can always be reloaded from the backing file.

Thats still being swaped out in my world.

> The only exception when a relocation dirties the page, but relocations
> have more noticable performance impacts than increased swap usage.

Does that work at all with normal executables (not code you manualy
mmap)? Isn't that mapped read-only by default?

> Gabor

MfG
        Goswin



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