Re: How to reclaim inode pages on demand

[Andrew Morton]

Mel Gorman <mel@xxxxxxxxx> wrote:
>
> > Well there are conditions in which mmapped file pages can get converted to
> > anonymous pages due to truncate(), but I have a feeling that we stopped
> > that from happening.
> >
> 
> Does that also apply to when a file is unlinked rather than truncated?

Yup.  unlink() does truncate if it unlinked the final link.

> In case it is journalling-related, I am going to rerun the tests on an
> ext2 filesystem over the weekend.

Good idea.

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