[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: your mail



On Wed, 25 Feb 1998, Linus Torvalds wrote:

> > We could simply prohibit the VM subsystem from swapping
> > out pages which have been allocated less than one second
> > ago, this way the movement of pages becomes 'slower', and
> > thrashing might get somewhat less.
> 
> The reason I dislike rate-based things is that it is _so_ hard to give any
> kind of guarantees at all on the sanity of the thing. You can tweak the
> rates, but they don't have any logic to them, and most importantly they
> are very hard to make self-tweaking. 

Yup, I don't like 'em either, but I proposed it anyways
in case anyone of you might like it :-)
Personally, I like balancing code too, if possible with
some balancing on the balancing code as well...

OK, we go with balancing code.

Rik.
+-----------------------------+------------------------------+
| For Linux mm-patches, go to | "I'm busy managing memory.." |
| my homepage (via LinuxHQ).  | H.H.vanRiel@fys.ruu.nl       |
| ...submissions welcome...   | http://www.fys.ruu.nl/~riel/ |
+-----------------------------+------------------------------+