[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: first thread
Rik van Riel wrote:
>
> Hi,
Hi!
> It's time to kick off a first thread. I think
> the following question will be enough to get us
> going:
>
> "What is your favorite kernel feature that _didn't_
> make it in time for 2.2?"
The problem:
some Mainboards can only cache 64MB of RAM. If you have more (eg 128
MB) the upper 64MB won´t be cached by the Board.
Somewhere I heard, that Linux fills up the memory from top down, it
starts in the uncached area @128M.
The idea:
Is there a way to say to the kernel: start @64M down and use the upper
64M only for "fast swap" or something like this. This would take
sleeping processes into the upper 64M and the "running" processes will
have the cached area.
Another idea: Can you say him (the kernel) to bring only
Buffer/Disk-Cache into the upper 64M, so your low 64M will be free of
that and you can use the "fast" RAM for processing the running
processes.
Am I thinking right way or do I completely misunderstand that stuff?
Greetings
Raphael Becker
--
_ _Powered by SuSE 6.0 ____ ____ ___ |
| | (_)_ __ _ ___ __ |___ \ |___ \ / _ \ |
| | | | '_ \| | | \ \/ / __) | __) || | | | | Raphael
| |___| | | | | |_| |> < / __/ _ / __/ | |_| | | Becker
|_____|_|_| |_|\__,_/_/\_\ |_____(_)_____(_)___final |
-
Linux-future: thinking about the future of the Linux kernel
http://humbolt.nl.linux.org/lists/