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SubjectRe: [RFC] Limit the size of the pagecache
On Wed, 24 Jan 2007, Erik Andersen wrote:

> It would be far more useful if an application could hint to the
> pagecache as to which files are and which files as not worth
> caching, especially when the application knows a priori that data
> from a particular file will or will not ever be reused.

It can give such hints via madvise(2).

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