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SubjectRe: [with-PATCH-really] highmem deadlock removal, balancing & cleanup


On Fri, 25 May 2001, Rik van Riel wrote:
> On Fri, 25 May 2001, Linus Torvalds wrote:
>
> > So I think I'll buy some experimentation. That HIGHMEM change is
> > too ugly to live, though, I'd really like to hear more about why
> > something that ugly is necessary.
>
> If you mean the "GFP_BUFFER allocations should fail instead
> of looping forever" thing, it is because:

No, I was thinking more of the dirty buffer balancing thing.

It seems to have this hardcoded notion of "DMA + NORMAL", which is just
wrong. There could be more zones that are acceptable to buffers, so what
it _should_ do is to just walk the zone list that GFP_BUFFER points to.

Linus

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