Re: [RFC] the /proc/filecache interface

[Bernard Blackham]

On Thu, Jun 15, 2006 at 08:40:34AM +0800, Fengguang Wu wrote:
> As for the "selectively ditching pages" function, my original scheme
> is to
>         - query /proc/filecache to answer the question of "which pages
>           are cached, and their status(referenced/active etc.)"
>         - run "fadvise filename page-offset pages" to ditch pages
> Do you think it as convenient?

Certainly. That would be a great feature to have! And in this age of
pushing every man and his cat out to userspace, a userspace binary
that identifies the specific pages that need to go will probably
keep the some of the kernel folk happy.

Thanks,

Bernard.

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