Re: userspace pagecache management tool

[Rik van Riel]

Andrew Morton wrote:
> On Tue, 06 Mar 2007 12:10:49 +0000
> P__draig Brady <P@xxxxxxxxxxxxxx> wrote:
> > Andrew Morton wrote:

> > If I'm the target
> > audience for that API then it's broken as I'd mess it up,
> > or would take too long to get it right.
> >
> > Can't we just fix the posix_fadvise() implementation to
> > only evict pages paged in by the current process.
>
> The kernel doesn't have that information.

It doesn't _keep_ the information.  File readahead is done
in the process context, so we had it originally.

I agree though that we probably should not bother trying
to keep that kind of information :)

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