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SubjectRe: [patch 9/21] batched addition of pages to the LRU
Rik van Riel wrote:
>
> On Sun, 11 Aug 2002, Andrew Morton wrote:
>
> > And it only takes one dirty block! Any LRU page which is dirty
> > against a blocked queue is like a hand grenade floating
> > down a stream [1]. If some innocent task tries to write that
> > page it gets DoSed via the request queue.
>
> This is exactly why we shouldn't wait on dirty pages in
> the pageout path.

It's not the wait-on-writeback which is the problem. It's
the writeout. Perhaps that's what you meant.
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