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SubjectRe: Is sendfile all that sexy?
On Sat, 20 Jan 2001, Linus Torvalds wrote:

> There's no no-no here: you can even create the "struct page"s on demand,
> and create a dummy local zone that contains them that they all point back
> to. It should be trivial - nobody else cares about those pages or that
> zone anyway.
> This is very much how the MM layer in 2.4.x is set up to work.
> That said, nobody has actually done this in practice yet, so there may be
> details to work out, of course. I don't see any fundamental reasons it
> wouldn't easily work, but..

If I follow you correctly, this is how I was planning to provide
execute-in-place support for filesystems on flash chips - allocating
'struct page's and adding them to the page cache on read_inode().


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