On 10/29/07, Andrew Morton <[email protected]> wrote:
> On Mon, 22 Oct 2007 16:40:57 +0200 Stefani Seibold <[email protected]> wrote:
> >
> > The problem original occurs with the fb_defio driver (driver/video/fb_defio.c).
> > This driver use the vm_ops.page_mkwrite() handler for tracking the modified pages,
> > which will be in an extra thread handled, to perform the IO and clean and
> > write protect all pages with page_clean().
> >
Hi,
An aside, I just tested that deferred IO works fine on 2.6.22.10/pxa255.
I understood from the thread that PeterZ is looking into page_mkclean
changes which I guess went into 2.6.23. I'm also happy to help in any
way if the way we're doing fb_defio needs to change.
Thanks,
jaya
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