Re: [PATCH] thp: tail page refcounting fix #5

[Andrew Morton]

On Thu, 1 Sep 2011 17:24:17 +0200
Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote:

> Ideally direct-io should stop calling get_page() on pages
> returned by get_user_pages().

Yeah.  get_user_pages() is sufficient.  Ideally we should be able to
undo the get_user_pages() get_page() from within the IO completion
interrupt and we're done.

Cc Andi, who is our resident dio tweaker ;)

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