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SubjectRe: MM/VM todo list
Hi,

On Fri, Jan 05, 2001 at 10:13:27PM +0100, Christoph Hellwig wrote:
> On Fri, Jan 05, 2001 at 02:56:40PM -0200, Marcelo Tosatti wrote:
> > > * VM: experiment with different active lists / aging pages
> > > of different ages at different rates + other page replacement
> > > improvements
> > > * VM: Quality of Service / fairness / ... improvements
> > * VM: Use kiobuf IO in VM instead buffer_head IO.
>
> I'd vote for killing both bufer_head and kiobuf from VM.
> Lokk at my pageio patch - VM doesn't know about the use of kiobufs
> in the filesystem IO...

It has already been talked about, and is something I'd like for 2.5
--- it's easy enough to push the buffer-head list into the
per-address-space structures so that the upper VM has no knowledge of
the IO mechanism being used underneath.

Cheers,
Stephen
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