On Sun, 2005-10-30 at 19:08 +0100, ness wrote:
[1] is about application controlled file caching. It is pretty clear
that one program alone mustn't decide whether a cache may be freed, as
this would eventually reduce other program's cache hit rate.
Yes. The most that an application can say concerning a shared resource
is: "I am no longer interested in this resource and I will no longer pay
for its residency". Whether to remove it is a more global question.
If you frame the problem this way, you will rapidly conclude that the
question of "sponsorship" is extremely complicated, and after a lot of
literature search